165264274 has 32 divisors (see below), whose sum is σ = 293736960. Its totient is φ = 68257728.

The previous prime is 165264271. The next prime is 165264283. The reversal of 165264274 is 472462561.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (165264271) 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, 54999 + ... + 57925.

It is an arithmetic number, because the mean of its divisors is an integer number (9179280).

Almost surely, 2^165264274 is an apocalyptic number.

165264274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165264274 is a deficient number, since it is larger than the sum of its proper divisors (128472686).

165264274 is a wasteful number, since it uses less digits than its factorization.

165264274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082.

The product of its digits is 80640, while the sum is 37.

The square root of 165264274 is about 12855.5153144477. The cubic root of 165264274 is about 548.7733256655.

The spelling of 165264274 in words is "one hundred sixty-five million, two hundred sixty-four thousand, two hundred seventy-four".