165425525606042 has 16 divisors (see below), whose sum is σ = 267250358901120. Its totient is φ = 76343239774512.

The previous prime is 165425525605969. The next prime is 165425525606053. The reversal of 165425525606042 is 240606525524561.

It is a super-2 number, since 2×165425525606042² (a number of 29 digits) contains 22 as substring.

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, 291494942 + ... + 292061897.

It is an arithmetic number, because the mean of its divisors is an integer number (16703147431320).

Almost surely, 2^{165425525606042} is an apocalyptic number.

165425525606042 is a deficient number, since it is larger than the sum of its proper divisors (101824833295078).

165425525606042 is a wasteful number, since it uses less digits than its factorization.

165425525606042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583567757.

The product of its (nonzero) digits is 17280000, while the sum is 53.

The spelling of 165425525606042 in words is "one hundred sixty-five trillion, four hundred twenty-five billion, five hundred twenty-five million, six hundred six thousand, forty-two".