101656422377 has 4 divisors (see below), whose sum is σ = 102798629460. Its totient is φ = 100514215296.

The previous prime is 101656422337. The next prime is 101656422443. The reversal of 101656422377 is 773224656101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13663505881 + 87992916496 = 116891^2 + 296636^2 .

It is a cyclic number.

It is not a de Polignac number, because 101656422377 - 2⁸ = 101656422121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101656422337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571103408 + ... + 571103585.

It is an arithmetic number, because the mean of its divisors is an integer number (25699657365).

Almost surely, 2^101656422377 is an apocalyptic number.

It is an amenable number.

101656422377 is a deficient number, since it is larger than the sum of its proper divisors (1142207083).

101656422377 is an equidigital number, since it uses as much as digits as its factorization.

101656422377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142207082.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 101656422377 in words is "one hundred one billion, six hundred fifty-six million, four hundred twenty-two thousand, three hundred seventy-seven".