60551172864 has 360 divisors, whose sum is σ = 222225560480. Its totient is φ = 15969042432.

The previous prime is 60551172853. The next prime is 60551172887. The reversal of 60551172864 is 46827115506.

60551172864 is a `hidden beast` number, since 6 + 0 + 5 + 511 + 72 + 8 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1870932 + ... + 1903020.

Almost surely, 2^60551172864 is an apocalyptic number.

60551172864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60551172864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111112780240).

60551172864 is an abundant number, since it is smaller than the sum of its proper divisors (161674387616).

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

60551172864 is a wasteful number, since it uses less digits than its factorization.

60551172864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32137 (or 32114 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 60551172864 in words is "sixty billion, five hundred fifty-one million, one hundred seventy-two thousand, eight hundred sixty-four".