556160505554 has 4 divisors (see below), whose sum is σ = 834240758334. Its totient is φ = 278080252776.

The previous prime is 556160505517. The next prime is 556160505619. The reversal of 556160505554 is 455505061655.

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 only one way, i.e., 432483793225 + 123676712329 = 657635^2 + 351677^2 .

It is a super-3 number, since 3×556160505554³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556160505499 and 556160505508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139040126387 + ... + 139040126390.

Almost surely, 2^556160505554 is an apocalyptic number.

556160505554 is a deficient number, since it is larger than the sum of its proper divisors (278080252780).

556160505554 is a wasteful number, since it uses less digits than its factorization.

556160505554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278080252779.

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 556160505554 in words is "five hundred fifty-six billion, one hundred sixty million, five hundred five thousand, five hundred fifty-four".