165120426225502 has 32 divisors (see below), whose sum is σ = 273623623603200. Its totient is φ = 74102960349600.

The previous prime is 165120426225481. The next prime is 165120426225551. The reversal of 165120426225502 is 205522624021561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75376524 + ... + 77536192.

It is an arithmetic number, because the mean of its divisors is an integer number (8550738237600).

Almost surely, 2^{165120426225502} is an apocalyptic number.

165120426225502 is a deficient number, since it is larger than the sum of its proper divisors (108503197377698).

165120426225502 is a wasteful number, since it uses less digits than its factorization.

165120426225502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203752.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 165120426225502 in words is "one hundred sixty-five trillion, one hundred twenty billion, four hundred twenty-six million, two hundred twenty-five thousand, five hundred two".