916131117 has 8 divisors (see below), whose sum is σ = 1332554400. Its totient is φ = 555230960.

The previous prime is 916131107. The next prime is 916131121. The reversal of 916131117 is 711131619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 916131117 - 2⁸ = 916130861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916131107) 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, 13880742 + ... + 13880807.

It is an arithmetic number, because the mean of its divisors is an integer number (166569300).

Almost surely, 2^916131117 is an apocalyptic number.

It is an amenable number.

916131117 is a deficient number, since it is larger than the sum of its proper divisors (416423283).

916131117 is a wasteful number, since it uses less digits than its factorization.

916131117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27761563.

The product of its digits is 1134, while the sum is 30.

The square root of 916131117 is about 30267.6579371447. The cubic root of 916131117 is about 971.2235655826.

The spelling of 916131117 in words is "nine hundred sixteen million, one hundred thirty-one thousand, one hundred seventeen".