165064026 has 16 divisors (see below), whose sum is σ = 340777728. Its totient is φ = 53246400.

The previous prime is 165064019. The next prime is 165064037. The reversal of 165064026 is 620460561.

It is a super-2 number, since 2×165064026² = 54492265358657352, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165063984 and 165064002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443535 + ... + 443906.

It is an arithmetic number, because the mean of its divisors is an integer number (21298608).

Almost surely, 2^165064026 is an apocalyptic number.

165064026 is an abundant number, since it is smaller than the sum of its proper divisors (175713702).

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

165064026 is a wasteful number, since it uses less digits than its factorization.

165064026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887477.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 165064026 is about 12847.7245456151. The cubic root of 165064026 is about 548.5515895487.

It can be divided in two parts, 16506 and 4026, that multiplied together give a triangular number (66453156 = T₁₁₅₂₈).

The spelling of 165064026 in words is "one hundred sixty-five million, sixty-four thousand, twenty-six".