51898916160 has 560 divisors, whose sum is σ = 227227034496. Its totient is φ = 10949603328.

The previous prime is 51898916101. The next prime is 51898916183. The reversal of 51898916160 is 6161989815.

51898916160 is a `hidden beast` number, since 5 + 18 + 9 + 8 + 9 + 1 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 51898916097 and 51898916106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2347719 + ... + 2369721.

Almost surely, 2^51898916160 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 51898916160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113613517248).

51898916160 is an abundant number, since it is smaller than the sum of its proper divisors (175328118336).

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

51898916160 is a wasteful number, since it uses less digits than its factorization.

51898916160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22052 (or 22033 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 51898916160 in words is "fifty-one billion, eight hundred ninety-eight million, nine hundred sixteen thousand, one hundred sixty".