100801631648 has 24 divisors (see below), whose sum is σ = 210126931812. Its totient is φ = 47436061696.

The previous prime is 100801631617. The next prime is 100801631683. The reversal of 100801631648 is 846136108001.

It can be written as a sum of positive squares in 2 ways, for example, as 99888866704 + 912764944 = 316052^2 + 30212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92648015 + ... + 92649102.

Almost surely, 2^100801631648 is an apocalyptic number.

It is an amenable number.

100801631648 is an abundant number, since it is smaller than the sum of its proper divisors (109325300164).

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

100801631648 is a wasteful number, since it uses less digits than its factorization.

100801631648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185297144 (or 185297136 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

Adding to 100801631648 its reverse (846136108001), we get a palindrome (946937739649).

The spelling of 100801631648 in words is "one hundred billion, eight hundred one million, six hundred thirty-one thousand, six hundred forty-eight".