164431254 has 48 divisors (see below), whose sum is σ = 367663104. Its totient is φ = 48952800.

The previous prime is 164431249. The next prime is 164431261. The reversal of 164431254 is 452134461.

It is a super-3 number, since 3×164431254³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28819 + ... + 34049.

It is an arithmetic number, because the mean of its divisors is an integer number (7659648).

Almost surely, 2^164431254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164431254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183831552).

164431254 is an abundant number, since it is smaller than the sum of its proper divisors (203231850).

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

164431254 is a wasteful number, since it uses less digits than its factorization.

164431254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293 (or 5280 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 164431254 is about 12823.0750602186. The cubic root of 164431254 is about 547.8497354712.

The spelling of 164431254 in words is "one hundred sixty-four million, four hundred thirty-one thousand, two hundred fifty-four".