551342525616 has 120 divisors (see below), whose sum is σ = 1625651222000. Its totient is φ = 173952976896.

The previous prime is 551342525603. The next prime is 551342525621. The reversal of 551342525616 is 616525243155.

551342525616 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 4 + 2 + 5 + 25 + 616 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2999700 + ... + 3178188.

Almost surely, 2^551342525616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551342525616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812825611000).

551342525616 is an abundant number, since it is smaller than the sum of its proper divisors (1074308696384).

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

551342525616 is a wasteful number, since it uses less digits than its factorization.

551342525616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179651 (or 179642 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 551342525616 in words is "five hundred fifty-one billion, three hundred forty-two million, five hundred twenty-five thousand, six hundred sixteen".