104669690557 has 4 divisors (see below), whose sum is σ = 110826731196. Its totient is φ = 98512649920.

The previous prime is 104669690519. The next prime is 104669690569. The reversal of 104669690557 is 755096966401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92582667076 + 12087023481 = 304274^2 + 109941^2 .

It is a de Polignac number, because none of the positive numbers 2^k-104669690557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104669690597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3078520294 + ... + 3078520327.

It is an arithmetic number, because the mean of its divisors is an integer number (27706682799).

Almost surely, 2^104669690557 is an apocalyptic number.

104669690557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

104669690557 is a deficient number, since it is larger than the sum of its proper divisors (6157040639).

104669690557 is an equidigital number, since it uses as much as digits as its factorization.

104669690557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157040638.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 104669690557 in words is "one hundred four billion, six hundred sixty-nine million, six hundred ninety thousand, five hundred fifty-seven".