1031666634564 has 48 divisors (see below), whose sum is σ = 2515982082432. Its totient is φ = 328400531712.

The previous prime is 1031666634533. The next prime is 1031666634611. The reversal of 1031666634564 is 4654366661301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2879689 + ... + 3218064.

It is an arithmetic number, because the mean of its divisors is an integer number (52416293384).

Almost surely, 2^{1031666634564} is an apocalyptic number.

It is an amenable number.

1031666634564 is an abundant number, since it is smaller than the sum of its proper divisors (1484315447868).

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

1031666634564 is a wasteful number, since it uses less digits than its factorization.

1031666634564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098396 (or 6098394 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 1031666634564 in words is "one trillion, thirty-one billion, six hundred sixty-six million, six hundred thirty-four thousand, five hundred sixty-four".