961518108400 has 60 divisors (see below), whose sum is σ = 2314051358992. Its totient is φ = 383940587520.

The previous prime is 961518108377. The next prime is 961518108407. The reversal of 961518108400 is 4801815169.

It is a super-2 number, since 2×961518108400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961518108407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1852212 + ... + 2313811.

Almost surely, 2^961518108400 is an apocalyptic number.

It is an amenable number.

961518108400 is an abundant number, since it is smaller than the sum of its proper divisors (1352533250592).

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

961518108400 is a wasteful number, since it uses less digits than its factorization.

961518108400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166618 (or 4166607 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 961518108400 in words is "nine hundred sixty-one billion, five hundred eighteen million, one hundred eight thousand, four hundred".