100662620652 has 144 divisors (see below), whose sum is σ = 281803092480. Its totient is φ = 30042230400.

The previous prime is 100662620627. The next prime is 100662620683. The reversal of 100662620652 is 256026266001.

100662620652 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 626 + 20 + 6 + 5 + 2 = 666.

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 47 ways as a sum of consecutive naturals, for example, 13166743 + ... + 13174385.

It is an arithmetic number, because the mean of its divisors is an integer number (1956965920).

Almost surely, 2^100662620652 is an apocalyptic number.

100662620652 is a gapful number since it is divisible by the number (12) 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 100662620652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140901546240).

100662620652 is an abundant number, since it is smaller than the sum of its proper divisors (181140471828).

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

100662620652 is a wasteful number, since it uses less digits than its factorization.

100662620652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164 (or 8159 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 100662620652 its reverse (256026266001), we get a palindrome (356688886653).

The spelling of 100662620652 in words is "one hundred billion, six hundred sixty-two million, six hundred twenty thousand, six hundred fifty-two".