164454462 has 120 divisors (see below), whose sum is σ = 409507560. Its totient is φ = 49183200.

The previous prime is 164454461. The next prime is 164454469. The reversal of 164454462 is 264454461.

164454462 is a `hidden beast` number, since 1 + 644 + 5 + 4 + 4 + 6 + 2 = 666.

164454462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (92160) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164454461) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1628212 + ... + 1628312.

It is an arithmetic number, because the mean of its divisors is an integer number (3412563).

Almost surely, 2^164454462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164454462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204753780).

164454462 is an abundant number, since it is smaller than the sum of its proper divisors (245053098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164454462 is a wasteful number, since it uses less digits than its factorization.

164454462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 148 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 164454462 is about 12823.9799594354. The cubic root of 164454462 is about 547.8755089545.

Subtracting 164454462 from its reverse (264454461), we obtain a palindrome (99999999).

The spelling of 164454462 in words is "one hundred sixty-four million, four hundred fifty-four thousand, four hundred sixty-two".