1401051400664 has 64 divisors (see below), whose sum is σ = 2749667277600. Its totient is φ = 668539782144.

The previous prime is 1401051400597. The next prime is 1401051400691. The reversal of 1401051400664 is 4660041501041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401051400664.

It is a congruent number.

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, 64921844 + ... + 64943420.

Almost surely, 2^{1401051400664} is an apocalyptic number.

It is an amenable number.

1401051400664 is a deficient number, since it is larger than the sum of its proper divisors (1348615876936).

1401051400664 is a wasteful number, since it uses less digits than its factorization.

1401051400664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25812 (or 25808 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 1401051400664 in words is "one trillion, four hundred one billion, fifty-one million, four hundred thousand, six hundred sixty-four".