66100050053562 has 48 divisors (see below), whose sum is σ = 153799461685440. Its totient is φ = 18883803984192.

The previous prime is 66100050053539. The next prime is 66100050053563. The reversal of 66100050053562 is 26535005000166.

It is a self number, because there is not a number n which added to its sum of digits gives 66100050053562.

It is not an unprimeable number, because it can be changed into a prime (66100050053563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8564862 + ... + 14337257.

It is an arithmetic number, because the mean of its divisors is an integer number (3204155451780).

Almost surely, 2^{66100050053562} is an apocalyptic number.

66100050053562 is an abundant number, since it is smaller than the sum of its proper divisors (87699411631878).

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

66100050053562 is a wasteful number, since it uses less digits than its factorization.

66100050053562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22911955 (or 22911948 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 66100050053562 in words is "sixty-six trillion, one hundred billion, fifty million, fifty-three thousand, five hundred sixty-two".