961601608 has 32 divisors (see below), whose sum is σ = 1986405120. Its totient is φ = 432760000.

The previous prime is 961601603. The next prime is 961601611. The reversal of 961601608 is 806106169.

It is not an unprimeable number, because it can be changed into a prime (961601603) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 45208 + ... + 62983.

It is an arithmetic number, because the mean of its divisors is an integer number (62075160).

Almost surely, 2^961601608 is an apocalyptic number.

It is an amenable number.

961601608 is an abundant number, since it is smaller than the sum of its proper divisors (1024803512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961601608 is a wasteful number, since it uses less digits than its factorization.

961601608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108309 (or 108305 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 961601608 is about 31009.7018366833. The cubic root of 961601608 is about 987.0331228467.

The spelling of 961601608 in words is "nine hundred sixty-one million, six hundred one thousand, six hundred eight".