116365520 has 20 divisors (see below), whose sum is σ = 270550020. Its totient is φ = 46546176.

The previous prime is 116365517. The next prime is 116365549. The reversal of 116365520 is 25563611.

It can be written as a sum of positive squares in 2 ways, for example, as 65157184 + 51208336 = 8072^2 + 7156^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727205 + ... + 727364.

It is an arithmetic number, because the mean of its divisors is an integer number (13527501).

Almost surely, 2^116365520 is an apocalyptic number.

116365520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116365520 is an abundant number, since it is smaller than the sum of its proper divisors (154184500).

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

116365520 is a wasteful number, since it uses less digits than its factorization.

116365520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454582 (or 1454576 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 116365520 is about 10787.2851079407. The cubic root of 116365520 is about 488.2116120682.

The spelling of 116365520 in words is "one hundred sixteen million, three hundred sixty-five thousand, five hundred twenty".