104172660 has 108 divisors (see below), whose sum is σ = 324543492. Its totient is φ = 27046656.

The previous prime is 104172659. The next prime is 104172697. The reversal of 104172660 is 66271401.

It can be written as a sum of positive squares in 2 ways, for example, as 13046544 + 91126116 = 3612^2 + 9546^2 .

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 332664 + ... + 332976.

Almost surely, 2^104172660 is an apocalyptic number.

104172660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104172660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162271746).

104172660 is an abundant number, since it is smaller than the sum of its proper divisors (220370832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104172660 is a wasteful number, since it uses less digits than its factorization.

104172660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 104172660 is about 10206.5008695439. The cubic root of 104172660 is about 470.5270381756.

The spelling of 104172660 in words is "one hundred four million, one hundred seventy-two thousand, six hundred sixty".