556789129974 has 192 divisors, whose sum is σ = 1562013573120. Its totient is φ = 139147968960.

The previous prime is 556789129961. The next prime is 556789130011. The reversal of 556789129974 is 479921987655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3923347 + ... + 4062785.

It is an arithmetic number, because the mean of its divisors is an integer number (8135487360).

Almost surely, 2^556789129974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556789129974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781006786560).

556789129974 is an abundant number, since it is smaller than the sum of its proper divisors (1005224443146).

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

556789129974 is a wasteful number, since it uses less digits than its factorization.

556789129974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139575 (or 139572 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 72.

The spelling of 556789129974 in words is "five hundred fifty-six billion, seven hundred eighty-nine million, one hundred twenty-nine thousand, nine hundred seventy-four".