116890139664 has 75 divisors (see below), whose sum is σ = 338349603757. Its totient is φ = 38959277184.

The previous prime is 116890139657. The next prime is 116890139671. The reversal of 116890139664 is 466931098611.

It is a happy number.

The square root of 116890139664 is 341892.

It is a perfect power (a square), and thus also a powerful number.

116890139664 is a `hidden beast` number, since 1 + 168 + 90 + 1 + 396 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (116890139657) and next prime (116890139671).

It can be written as a sum of positive squares in only one way, i.e., 5473040400 + 111417099264 = 73980^2 + 333792^2 .

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116890139664.

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 14 ways as a sum of consecutive naturals, for example, 12303364 + ... + 12312860.

Almost surely, 2^116890139664 is an apocalyptic number.

116890139664 is the 341892-nd square number.

It is an amenable number.

116890139664 is an abundant number, since it is smaller than the sum of its proper divisors (221459464093).

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

116890139664 is an frugal number, since it uses more digits than its factorization.

116890139664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19014 (or 9502 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 116890139664 in words is "one hundred sixteen billion, eight hundred ninety million, one hundred thirty-nine thousand, six hundred sixty-four".