162970631998 has 16 divisors (see below), whose sum is σ = 244702080000. Its totient is φ = 81403308792.

The previous prime is 162970631987. The next prime is 162970632023. The reversal of 162970631998 is 899136079261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13309563 + ... + 13321801.

It is an arithmetic number, because the mean of its divisors is an integer number (15293880000).

Almost surely, 2^162970631998 is an apocalyptic number.

162970631998 is a deficient number, since it is larger than the sum of its proper divisors (81731448002).

162970631998 is a wasteful number, since it uses less digits than its factorization.

162970631998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 162970631998 in words is "one hundred sixty-two billion, nine hundred seventy million, six hundred thirty-one thousand, nine hundred ninety-eight".