115840161678 has 16 divisors (see below), whose sum is σ = 231684906960. Its totient is φ = 38612623296.

The previous prime is 115840161673. The next prime is 115840161713. The reversal of 115840161678 is 876161048511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115840161673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198738 + ... + 520746.

It is an arithmetic number, because the mean of its divisors is an integer number (14480306685).

Almost surely, 2^115840161678 is an apocalyptic number.

115840161678 is an abundant number, since it is smaller than the sum of its proper divisors (115844745282).

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

115840161678 is a wasteful number, since it uses less digits than its factorization.

115840161678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381971.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 115840161678 in words is "one hundred fifteen billion, eight hundred forty million, one hundred sixty-one thousand, six hundred seventy-eight".