1631422880960 has 56 divisors (see below), whose sum is σ = 3893144776560. Its totient is φ = 651171728384.

The previous prime is 1631422880959. The next prime is 1631422880981. The reversal of 1631422880960 is 690882241361.

It is a junction number, because it is equal to n+sod(n) for n = 1631422880899 and 1631422880908.

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, 5309015 + ... + 5607894.

Almost surely, 2^{1631422880960} is an apocalyptic number.

1631422880960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1631422880960 is an abundant number, since it is smaller than the sum of its proper divisors (2261721895600).

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

1631422880960 is a wasteful number, since it uses less digits than its factorization.

1631422880960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917393 (or 10917383 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 1631422880960 in words is "one trillion, six hundred thirty-one billion, four hundred twenty-two million, eight hundred eighty thousand, nine hundred sixty".