162405664503426 has 80 divisors (see below), whose sum is σ = 371955505394880. Its totient is φ = 52947534276000.

The previous prime is 162405664503391. The next prime is 162405664503529. The reversal of 162405664503426 is 624305466504261.

162405664503426 is a `hidden beast` number, since 1 + 6 + 2 + 4 + 0 + 56 + 64 + 503 + 4 + 26 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41242950 + ... + 45008801.

It is an arithmetic number, because the mean of its divisors is an integer number (4649443817436).

Almost surely, 2^{162405664503426} is an apocalyptic number.

162405664503426 is an abundant number, since it is smaller than the sum of its proper divisors (209549840891454).

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

162405664503426 is a wasteful number, since it uses less digits than its factorization.

162405664503426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86252021 (or 86252012 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 162405664503426 in words is "one hundred sixty-two trillion, four hundred five billion, six hundred sixty-four million, five hundred three thousand, four hundred twenty-six".