10100809188 has 72 divisors (see below), whose sum is σ = 26669100640. Its totient is φ = 3342669120.

The previous prime is 10100809163. The next prime is 10100809211. The reversal of 10100809188 is 88190800101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97728 + ... + 172488.

Almost surely, 2^10100809188 is an apocalyptic number.

10100809188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10100809188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13334550320).

10100809188 is an abundant number, since it is smaller than the sum of its proper divisors (16568291452).

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

10100809188 is a wasteful number, since it uses less digits than its factorization.

10100809188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74919 (or 74905 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The spelling of 10100809188 in words is "ten billion, one hundred million, eight hundred nine thousand, one hundred eighty-eight".