100166532420 has 48 divisors (see below), whose sum is σ = 281532746880. Its totient is φ = 26609508096.

The previous prime is 100166532409. The next prime is 100166532451. The reversal of 100166532420 is 24235661001.

It is a super-2 number, since 2×100166532420² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3158065 + ... + 3189624.

It is an arithmetic number, because the mean of its divisors is an integer number (5865265560).

Almost surely, 2^100166532420 is an apocalyptic number.

100166532420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100166532420 is an abundant number, since it is smaller than the sum of its proper divisors (181366214460).

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

100166532420 is a wasteful number, since it uses less digits than its factorization.

100166532420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347964 (or 6347962 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 100166532420 in words is "one hundred billion, one hundred sixty-six million, five hundred thirty-two thousand, four hundred twenty".