165015680448436 has 48 divisors (see below), whose sum is σ = 298061727828480. Its totient is φ = 79897047516000.

The previous prime is 165015680448361. The next prime is 165015680448439. The reversal of 165015680448436 is 634844086510561.

165015680448436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165015680448439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976322311 + ... + 976491313.

It is an arithmetic number, because the mean of its divisors is an integer number (6209619329760).

Almost surely, 2^{165015680448436} is an apocalyptic number.

It is an amenable number.

165015680448436 is a deficient number, since it is larger than the sum of its proper divisors (133046047380044).

165015680448436 is a wasteful number, since it uses less digits than its factorization.

165015680448436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230884 (or 230882 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 61.

The spelling of 165015680448436 in words is "one hundred sixty-five trillion, fifteen billion, six hundred eighty million, four hundred forty-eight thousand, four hundred thirty-six".