1320961416 has 16 divisors (see below), whose sum is σ = 3302403600. Its totient is φ = 440320464.

The previous prime is 1320961409. The next prime is 1320961459. The reversal of 1320961416 is 6141690231.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27520006 + ... + 27520053.

It is an arithmetic number, because the mean of its divisors is an integer number (206400225).

Almost surely, 2^1320961416 is an apocalyptic number.

It is an amenable number.

1320961416 is an abundant number, since it is smaller than the sum of its proper divisors (1981442184).

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

1320961416 is a wasteful number, since it uses less digits than its factorization.

1320961416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55040068 (or 55040064 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1320961416 is about 36345.0328930928. The cubic root of 1320961416 is about 1097.2275681159.

The spelling of 1320961416 in words is "one billion, three hundred twenty million, nine hundred sixty-one thousand, four hundred sixteen".