104196021645 has 16 divisors (see below), whose sum is σ = 166721155200. Its totient is φ = 55568704704.

The previous prime is 104196021623. The next prime is 104196021649. The reversal of 104196021645 is 546120691401.

It is not a de Polignac number, because 104196021645 - 2⁸ = 104196021389 is a prime.

It is a super-3 number, since 3×104196021645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104196021649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215431 + ... + 504779.

It is an arithmetic number, because the mean of its divisors is an integer number (10420072200).

Almost surely, 2^104196021645 is an apocalyptic number.

104196021645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104196021645 is a deficient number, since it is larger than the sum of its proper divisors (62525133555).

104196021645 is a wasteful number, since it uses less digits than its factorization.

104196021645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313364.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 104196021645 in words is "one hundred four billion, one hundred ninety-six million, twenty-one thousand, six hundred forty-five".