164474331 has 16 divisors (see below), whose sum is σ = 255744000. Its totient is φ = 93984744.

The previous prime is 164474293. The next prime is 164474333. The reversal of 164474331 is 133474461.

It is not a de Polignac number, because 164474331 - 2¹¹ = 164472283 is a prime.

It is a super-2 number, since 2×164474331² = 54103611115795122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164474292 and 164474301.

It is not an unprimeable number, because it can be changed into a prime (164474333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78891 + ... + 80948.

It is an arithmetic number, because the mean of its divisors is an integer number (15984000).

Almost surely, 2^164474331 is an apocalyptic number.

164474331 is a deficient number, since it is larger than the sum of its proper divisors (91269669).

164474331 is an equidigital number, since it uses as much as digits as its factorization.

164474331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159863 (or 159849 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 164474331 is about 12824.7546175356. The cubic root of 164474331 is about 547.8975724080.

The spelling of 164474331 in words is "one hundred sixty-four million, four hundred seventy-four thousand, three hundred thirty-one".