165120425333542 has 16 divisors (see below), whose sum is σ = 284500457287200. Its totient is φ = 70406678821248.

The previous prime is 165120425333483. The next prime is 165120425333587. The reversal of 165120425333542 is 245333524021561.

It is a junction number, because it is equal to n+sod(n) for n = 165120425333492 and 165120425333501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29934809667 + ... + 29934815182.

It is an arithmetic number, because the mean of its divisors is an integer number (17781278580450).

Almost surely, 2^{165120425333542} is an apocalyptic number.

165120425333542 is a deficient number, since it is larger than the sum of its proper divisors (119380031953658).

165120425333542 is a wasteful number, since it uses less digits than its factorization.

165120425333542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59869625055.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 165120425333542 in words is "one hundred sixty-five trillion, one hundred twenty billion, four hundred twenty-five million, three hundred thirty-three thousand, five hundred forty-two".