116521736436 has 120 divisors (see below), whose sum is σ = 349877404800. Its totient is φ = 33124500288.

The previous prime is 116521736393. The next prime is 116521736467. The reversal of 116521736436 is 634637125611.

116521736436 is a `hidden beast` number, since 1 + 16 + 521 + 73 + 6 + 43 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 116521736391 and 116521736400.

It is a congruent number.

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, 322246 + ... + 580418.

It is an arithmetic number, because the mean of its divisors is an integer number (2915645040).

Almost surely, 2^116521736436 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 116521736436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174938702400).

116521736436 is an abundant number, since it is smaller than the sum of its proper divisors (233355668364).

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

116521736436 is a wasteful number, since it uses less digits than its factorization.

116521736436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258395 (or 258384 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 116521736436 in words is "one hundred sixteen billion, five hundred twenty-one million, seven hundred thirty-six thousand, four hundred thirty-six".