961816588 has 6 divisors (see below), whose sum is σ = 1683179036. Its totient is φ = 480908292.

The previous prime is 961816579. The next prime is 961816619. The reversal of 961816588 is 885618169.

It is a super-2 number, since 2×961816588² = 1850182297903923488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120227070 + ... + 120227077.

Almost surely, 2^961816588 is an apocalyptic number.

It is an amenable number.

961816588 is a deficient number, since it is larger than the sum of its proper divisors (721362448).

961816588 is a wasteful number, since it uses less digits than its factorization.

961816588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240454151 (or 240454149 counting only the distinct ones).

The product of its digits is 829440, while the sum is 52.

The square root of 961816588 is about 31013.1679774898. The cubic root of 961816588 is about 987.1066725607.

The spelling of 961816588 in words is "nine hundred sixty-one million, eight hundred sixteen thousand, five hundred eighty-eight".