164996622 has 96 divisors (see below), whose sum is σ = 430755840. Its totient is φ = 46675440.

The previous prime is 164996621. The next prime is 164996659. The reversal of 164996622 is 226699461.

164996622 is a `hidden beast` number, since 16 + 4 + 9 + 9 + 6 + 622 = 666.

164996622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164996621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335797 + ... + 336287.

It is an arithmetic number, because the mean of its divisors is an integer number (4487040).

Almost surely, 2^164996622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164996622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215377920).

164996622 is an abundant number, since it is smaller than the sum of its proper divisors (265759218).

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

164996622 is a wasteful number, since it uses less digits than its factorization.

164996622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 630 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 164996622 is about 12845.1010895205. The cubic root of 164996622 is about 548.4769122528.

The spelling of 164996622 in words is "one hundred sixty-four million, nine hundred ninety-six thousand, six hundred twenty-two".