51616086300 has 288 divisors, whose sum is σ = 170366873600. Its totient is φ = 13398981120.

The previous prime is 51616086227. The next prime is 51616086439. The reversal of 51616086300 is 368061615.

It is a happy number.

51616086300 is a `hidden beast` number, since 5 + 1 + 6 + 16 + 0 + 8 + 630 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 47484357 + ... + 47485443.

Almost surely, 2^51616086300 is an apocalyptic number.

51616086300 is a gapful number since it is divisible by the number (50) 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 51616086300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85183436800).

51616086300 is an abundant number, since it is smaller than the sum of its proper divisors (118750787300).

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

51616086300 is a wasteful number, since it uses less digits than its factorization.

51616086300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 51616086300 in words is "fifty-one billion, six hundred sixteen million, eighty-six thousand, three hundred".