122164477567645 has 16 divisors (see below), whose sum is σ = 147370764607488. Its totient is φ = 97216028440960.

The previous prime is 122164477567609. The next prime is 122164477567697. The reversal of 122164477567645 is 546765774461221.

It is not a de Polignac number, because 122164477567645 - 2¹¹ = 122164477565597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21577497 + ... + 26644273.

It is an arithmetic number, because the mean of its divisors is an integer number (9210672787968).

Almost surely, 2^{122164477567645} is an apocalyptic number.

It is an amenable number.

122164477567645 is a deficient number, since it is larger than the sum of its proper divisors (25206287039843).

122164477567645 is a wasteful number, since it uses less digits than its factorization.

122164477567645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092220.

The product of its digits is 474163200, while the sum is 67.

The spelling of 122164477567645 in words is "one hundred twenty-two trillion, one hundred sixty-four billion, four hundred seventy-seven million, five hundred sixty-seven thousand, six hundred forty-five".