163977136142 has 16 divisors (see below), whose sum is σ = 246526874880. Its totient is φ = 81801647928.

The previous prime is 163977136121. The next prime is 163977136171. The reversal of 163977136142 is 241631779361.

163977136142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 2469209 + ... + 2534747.

It is an arithmetic number, because the mean of its divisors is an integer number (15407929680).

Almost surely, 2^163977136142 is an apocalyptic number.

163977136142 is a deficient number, since it is larger than the sum of its proper divisors (82549738738).

163977136142 is a wasteful number, since it uses less digits than its factorization.

163977136142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68375.

The product of its digits is 1143072, while the sum is 50.

The spelling of 163977136142 in words is "one hundred sixty-three billion, nine hundred seventy-seven million, one hundred thirty-six thousand, one hundred forty-two".