108916931406 has 64 divisors (see below), whose sum is σ = 243646099200. Its totient is φ = 32257046016.

The previous prime is 108916931401. The next prime is 108916931437. The reversal of 108916931406 is 604139619801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108916931401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449160 + ... + 647748.

It is an arithmetic number, because the mean of its divisors is an integer number (3806970300).

Almost surely, 2^108916931406 is an apocalyptic number.

108916931406 is an abundant number, since it is smaller than the sum of its proper divisors (134729167794).

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

108916931406 is a wasteful number, since it uses less digits than its factorization.

108916931406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198913.

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 108916931406 in words is "one hundred eight billion, nine hundred sixteen million, nine hundred thirty-one thousand, four hundred six".