916172475 has 12 divisors (see below), whose sum is σ = 1514738616. Its totient is φ = 488625280.

The previous prime is 916172461. The next prime is 916172479. The reversal of 916172475 is 574271619.

It is a happy number.

It is not a de Polignac number, because 916172475 - 2⁴ = 916172459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916172479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6107742 + ... + 6107891.

It is an arithmetic number, because the mean of its divisors is an integer number (126228218).

Almost surely, 2^916172475 is an apocalyptic number.

916172475 is a deficient number, since it is larger than the sum of its proper divisors (598566141).

916172475 is a wasteful number, since it uses less digits than its factorization.

916172475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215646 (or 12215641 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 916172475 is about 30268.3411339307. The cubic root of 916172475 is about 971.2381803974.

The spelling of 916172475 in words is "nine hundred sixteen million, one hundred seventy-two thousand, four hundred seventy-five".