961368751 has 16 divisors (see below), whose sum is σ = 1164499200. Its totient is φ = 774783360.

The previous prime is 961368739. The next prime is 961368757. The reversal of 961368751 is 157863169.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 961368751 - 2⁵ = 961368719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961368757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135900 + ... + 142798.

It is an arithmetic number, because the mean of its divisors is an integer number (72781200).

Almost surely, 2^961368751 is an apocalyptic number.

961368751 is a deficient number, since it is larger than the sum of its proper divisors (203130449).

961368751 is a wasteful number, since it uses less digits than its factorization.

961368751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094.

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

The square root of 961368751 is about 31005.9470263367. The cubic root of 961368751 is about 986.9534446222.

The spelling of 961368751 in words is "nine hundred sixty-one million, three hundred sixty-eight thousand, seven hundred fifty-one".