916152499 has 4 divisors (see below), whose sum is σ = 916215664. Its totient is φ = 916089336.

The previous prime is 916152451. The next prime is 916152509. The reversal of 916152499 is 994251619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 994251619 = 6367 ⋅156157.

It is a cyclic number.

It is not a de Polignac number, because 916152499 - 2⁹ = 916151987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916152799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269 + ... + 42865.

It is an arithmetic number, because the mean of its divisors is an integer number (229053916).

Almost surely, 2^916152499 is an apocalyptic number.

916152499 is a deficient number, since it is larger than the sum of its proper divisors (63165).

916152499 is a wasteful number, since it uses less digits than its factorization.

916152499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63164.

The product of its digits is 174960, while the sum is 46.

The square root of 916152499 is about 30268.0111503878. The cubic root of 916152499 is about 971.2311214664.

The spelling of 916152499 in words is "nine hundred sixteen million, one hundred fifty-two thousand, four hundred ninety-nine".