104156665355 has 16 divisors (see below), whose sum is σ = 127083090144. Its totient is φ = 81935504640.

The previous prime is 104156665351. The next prime is 104156665357. The reversal of 104156665355 is 553566651401.

It is not a de Polignac number, because 104156665355 - 2² = 104156665351 is a prime.

It is a super-2 number, since 2×104156665355² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104156665351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310244 + ... + 551873.

It is an arithmetic number, because the mean of its divisors is an integer number (7942693134).

Almost surely, 2^104156665355 is an apocalyptic number.

104156665355 is a deficient number, since it is larger than the sum of its proper divisors (22926424789).

104156665355 is an equidigital number, since it uses as much as digits as its factorization.

104156665355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862526.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 104156665355 in words is "one hundred four billion, one hundred fifty-six million, six hundred sixty-five thousand, three hundred fifty-five".