164887374 has 16 divisors (see below), whose sum is σ = 336791808. Its totient is φ = 53792952.

The previous prime is 164887367. The next prime is 164887379. The reversal of 164887374 is 473788461.

It is a super-2 number, since 2×164887374² = 54375692209231752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164887379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292072 + ... + 292635.

It is an arithmetic number, because the mean of its divisors is an integer number (21049488).

Almost surely, 2^164887374 is an apocalyptic number.

164887374 is an abundant number, since it is smaller than the sum of its proper divisors (171904434).

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

164887374 is a wasteful number, since it uses less digits than its factorization.

164887374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584759.

The product of its digits is 903168, while the sum is 48.

The square root of 164887374 is about 12840.8478692024. The cubic root of 164887374 is about 548.3558325307.

The spelling of 164887374 in words is "one hundred sixty-four million, eight hundred eighty-seven thousand, three hundred seventy-four".