116815738 has 16 divisors (see below), whose sum is σ = 199803240. Its totient is φ = 50743296.

The previous prime is 116815729. The next prime is 116815747. The reversal of 116815738 is 837518611.

It is an interprime number because it is at equal distance from previous prime (116815729) and next prime (116815747).

It can be written as a sum of positive squares in 4 ways, for example, as 53978409 + 62837329 = 7347^2 + 7927^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 116815738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131703 + ... + 132586.

Almost surely, 2^116815738 is an apocalyptic number.

116815738 is a deficient number, since it is larger than the sum of its proper divisors (82987502).

116815738 is a wasteful number, since it uses less digits than its factorization.

116815738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264321.

The product of its digits is 40320, while the sum is 40.

The square root of 116815738 is about 10808.1329562510. The cubic root of 116815738 is about 488.8404317637.

The spelling of 116815738 in words is "one hundred sixteen million, eight hundred fifteen thousand, seven hundred thirty-eight".