101656070606651 has 6 divisors (see below), whose sum is σ = 111737664385956. Its totient is φ = 92414609642300.

The previous prime is 101656070606603. The next prime is 101656070606669. The reversal of 101656070606651 is 156606070656101.

It is not a de Polignac number, because 101656070606651 - 2²⁶ = 101656003497787 is a prime.

It is a super-2 number, since 2×101656070606651² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101656070606651.

It is not an unprimeable number, because it can be changed into a prime (101656070606851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420066407345 + ... + 420066407586.

It is an arithmetic number, because the mean of its divisors is an integer number (18622944064326).

Almost surely, 2^{101656070606651} is an apocalyptic number.

101656070606651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101656070606651 is a deficient number, since it is larger than the sum of its proper divisors (10081593779305).

101656070606651 is an equidigital number, since it uses as much as digits as its factorization.

101656070606651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840132814953 (or 840132814942 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 101656070606651 in words is "one hundred one trillion, six hundred fifty-six billion, seventy million, six hundred six thousand, six hundred fifty-one".