1046581808664 has 64 divisors (see below), whose sum is σ = 2990685853440. Its totient is φ = 298978162560.

The previous prime is 1046581808659. The next prime is 1046581808689. The reversal of 1046581808664 is 4668081856401.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 651427 + ... + 1586669.

It is an arithmetic number, because the mean of its divisors is an integer number (46729466460).

Almost surely, 2^{1046581808664} is an apocalyptic number.

1046581808664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1046581808664 is an abundant number, since it is smaller than the sum of its proper divisors (1944104044776).

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

1046581808664 is a wasteful number, since it uses less digits than its factorization.

1046581808664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941920 (or 941916 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 1046581808664 in words is "one trillion, forty-six billion, five hundred eighty-one million, eight hundred eight thousand, six hundred sixty-four".