104662556615721 has 16 divisors (see below), whose sum is σ = 150411305588544. Its totient is φ = 64353466186944.

The previous prime is 104662556615719. The next prime is 104662556615737. The reversal of 104662556615721 is 127516655266401.

It is not a de Polignac number, because 104662556615721 - 2¹ = 104662556615719 is a prime.

It is a super-3 number, since 3×104662556615721³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (104662552615721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1130389806 + ... + 1130482391.

It is an arithmetic number, because the mean of its divisors is an integer number (9400706599284).

Almost surely, 2^{104662556615721} is an apocalyptic number.

It is an amenable number.

104662556615721 is a deficient number, since it is larger than the sum of its proper divisors (45748748972823).

104662556615721 is a wasteful number, since it uses less digits than its factorization.

104662556615721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260873400.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 104662556615721 in words is "one hundred four trillion, six hundred sixty-two billion, five hundred fifty-six million, six hundred fifteen thousand, seven hundred twenty-one".