216631242136612 has 48 divisors (see below), whose sum is σ = 392046044544000. Its totient is φ = 104630851399680.

The previous prime is 216631242136609. The next prime is 216631242136637.

216631242136612 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562253689 + ... + 562638847.

It is an arithmetic number, because the mean of its divisors is an integer number (8167625928000).

Almost surely, 2^{216631242136612} is an apocalyptic number.

It is an amenable number.

216631242136612 is a deficient number, since it is larger than the sum of its proper divisors (175414802407388).

216631242136612 is a wasteful number, since it uses less digits than its factorization.

216631242136612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393436 (or 393434 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The spelling of 216631242136612 in words is "two hundred sixteen trillion, six hundred thirty-one billion, two hundred forty-two million, one hundred thirty-six thousand, six hundred twelve".