100661250552 has 16 divisors (see below), whose sum is σ = 251653126440. Its totient is φ = 33553750176.

The previous prime is 100661250539. The next prime is 100661250563. The reversal of 100661250552 is 255052166001.

It is a congruent number.

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, 2097109363 + ... + 2097109410.

Almost surely, 2^100661250552 is an apocalyptic number.

100661250552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100661250552 is an abundant number, since it is smaller than the sum of its proper divisors (150991875888).

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

100661250552 is a wasteful number, since it uses less digits than its factorization.

100661250552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194218782 (or 4194218778 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 100661250552 in words is "one hundred billion, six hundred sixty-one million, two hundred fifty thousand, five hundred fifty-two".