162009172494 has 64 divisors (see below), whose sum is σ = 387824236800. Its totient is φ = 49834836576.

The previous prime is 162009172433. The next prime is 162009172519. The reversal of 162009172494 is 494271900261.

162009172494 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 0 + 91 + 72 + 494 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2593917 + ... + 2655639.

It is an arithmetic number, because the mean of its divisors is an integer number (6059753700).

Almost surely, 2^162009172494 is an apocalyptic number.

162009172494 is an abundant number, since it is smaller than the sum of its proper divisors (225815064306).

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

162009172494 is a wasteful number, since it uses less digits than its factorization.

162009172494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65486 (or 65480 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 162009172494 in words is "one hundred sixty-two billion, nine million, one hundred seventy-two thousand, four hundred ninety-four".