116667845172 has 36 divisors (see below), whose sum is σ = 295245211716. Its totient is φ = 38845128960.

The previous prime is 116667845167. The next prime is 116667845197. The reversal of 116667845172 is 271548766611.

It can be written as a sum of positive squares in 2 ways, for example, as 38461485456 + 78206359716 = 196116^2 + 279654^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×116667845172² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1807543 + ... + 1870974.

It is an arithmetic number, because the mean of its divisors is an integer number (8201255881).

Almost surely, 2^116667845172 is an apocalyptic number.

116667845172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116667845172 is an abundant number, since it is smaller than the sum of its proper divisors (178577366544).

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

116667845172 is a wasteful number, since it uses less digits than its factorization.

116667845172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679408 (or 3679403 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 116667845172 in words is "one hundred sixteen billion, six hundred sixty-seven million, eight hundred forty-five thousand, one hundred seventy-two".