165426512 has 20 divisors (see below), whose sum is σ = 321050880. Its totient is φ = 82574688.

The previous prime is 165426491. The next prime is 165426523. The reversal of 165426512 is 215624561.

It is a super-2 number, since 2×165426512² = 54731861744972288, which contains 22 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 3 ways as a sum of consecutive naturals, for example, 1553 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (16052544).

Almost surely, 2^165426512 is an apocalyptic number.

It is an amenable number.

165426512 is a deficient number, since it is larger than the sum of its proper divisors (155624368).

165426512 is a wasteful number, since it uses less digits than its factorization.

165426512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17330 (or 17324 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 165426512 is about 12861.8238209050. The cubic root of 165426512 is about 548.9528417151.

The spelling of 165426512 in words is "one hundred sixty-five million, four hundred twenty-six thousand, five hundred twelve".