165454728942 has 48 divisors (see below), whose sum is σ = 339579848448. Its totient is φ = 53742442320.

The previous prime is 165454728931. The next prime is 165454728977. The reversal of 165454728942 is 249827454561.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4764213 + ... + 4798815.

It is an arithmetic number, because the mean of its divisors is an integer number (7074580176).

Almost surely, 2^165454728942 is an apocalyptic number.

165454728942 is an abundant number, since it is smaller than the sum of its proper divisors (174125119506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165454728942 is a wasteful number, since it uses less digits than its factorization.

165454728942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35125 (or 35082 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 57.

The spelling of 165454728942 in words is "one hundred sixty-five billion, four hundred fifty-four million, seven hundred twenty-eight thousand, nine hundred forty-two".