165037735742 has 64 divisors (see below), whose sum is σ = 293146214400. Its totient is φ = 68880624480.

The previous prime is 165037735741. The next prime is 165037735783. The reversal of 165037735742 is 247537730561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165037735741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1982759 + ... + 2064317.

It is an arithmetic number, because the mean of its divisors is an integer number (4580409600).

Almost surely, 2^165037735742 is an apocalyptic number.

165037735742 is a deficient number, since it is larger than the sum of its proper divisors (128108478658).

165037735742 is a wasteful number, since it uses less digits than its factorization.

165037735742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81741.

The product of its (nonzero) digits is 3704400, while the sum is 50.

The spelling of 165037735742 in words is "one hundred sixty-five billion, thirty-seven million, seven hundred thirty-five thousand, seven hundred forty-two".