556919170645 has 8 divisors (see below), whose sum is σ = 676762536960. Its totient is φ = 439895648400.

The previous prime is 556919170631. The next prime is 556919170663. The reversal of 556919170645 is 546071919655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 556919170645 - 2¹⁵ = 556919137877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556919170645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704960581 + ... + 704961370.

It is an arithmetic number, because the mean of its divisors is an integer number (84595317120).

Almost surely, 2^556919170645 is an apocalyptic number.

It is an amenable number.

556919170645 is a deficient number, since it is larger than the sum of its proper divisors (119843366315).

556919170645 is a wasteful number, since it uses less digits than its factorization.

556919170645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409922035.

The product of its (nonzero) digits is 10206000, while the sum is 58.

The spelling of 556919170645 in words is "five hundred fifty-six billion, nine hundred nineteen million, one hundred seventy thousand, six hundred forty-five".