75353663400664 has 32 divisors (see below), whose sum is σ = 154148663345040. Its totient is φ = 34248071843200.

The previous prime is 75353663400649. The next prime is 75353663400727. The reversal of 75353663400664 is 46600436635357.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75353663400599 and 75353663400608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44073067 + ... + 45750874.

Almost surely, 2^{75353663400664} is an apocalyptic number.

It is an amenable number.

75353663400664 is an abundant number, since it is smaller than the sum of its proper divisors (78794999944376).

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

75353663400664 is a wasteful number, since it uses less digits than its factorization.

75353663400664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89833491 (or 89833487 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 58.

The spelling of 75353663400664 in words is "seventy-five trillion, three hundred fifty-three billion, six hundred sixty-three million, four hundred thousand, six hundred sixty-four".