231081197662 has 64 divisors (see below), whose sum is σ = 435297484800. Its totient is φ = 89706307680.

The previous prime is 231081197647. The next prime is 231081197687. The reversal of 231081197662 is 266791180132.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 18463987 + ... + 18476497.

It is an arithmetic number, because the mean of its divisors is an integer number (6801523200).

Almost surely, 2^231081197662 is an apocalyptic number.

231081197662 is a deficient number, since it is larger than the sum of its proper divisors (204216287138).

231081197662 is a wasteful number, since it uses less digits than its factorization.

231081197662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15581.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 231081197662 in words is "two hundred thirty-one billion, eighty-one million, one hundred ninety-seven thousand, six hundred sixty-two".