961578316 has 6 divisors (see below), whose sum is σ = 1682762060. Its totient is φ = 480789156.

The previous prime is 961578307. The next prime is 961578389. The reversal of 961578316 is 613875169.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120197286 + ... + 120197293.

Almost surely, 2^961578316 is an apocalyptic number.

It is an amenable number.

961578316 is a deficient number, since it is larger than the sum of its proper divisors (721183744).

961578316 is a wasteful number, since it uses less digits than its factorization.

961578316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240394583 (or 240394581 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 961578316 is about 31009.3262745259. The cubic root of 961578316 is about 987.0251534476.

The spelling of 961578316 in words is "nine hundred sixty-one million, five hundred seventy-eight thousand, three hundred sixteen".