116157661998 has 32 divisors (see below), whose sum is σ = 265525827840. Its totient is φ = 33185078400.

The previous prime is 116157661979. The next prime is 116157662029. The reversal of 116157661998 is 899166751611.

116157661998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×116157661998² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409333 + ... + 632351.

It is an arithmetic number, because the mean of its divisors is an integer number (8297682120).

Almost surely, 2^116157661998 is an apocalyptic number.

116157661998 is an abundant number, since it is smaller than the sum of its proper divisors (149368165842).

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

116157661998 is a wasteful number, since it uses less digits than its factorization.

116157661998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235432.

The product of its digits is 4898880, while the sum is 60.

The spelling of 116157661998 in words is "one hundred sixteen billion, one hundred fifty-seven million, six hundred sixty-one thousand, nine hundred ninety-eight".