2961375664 has 40 divisors (see below), whose sum is σ = 6184256960. Its totient is φ = 1365631488.

The previous prime is 2961375661. The next prime is 2961375667. The reversal of 2961375664 is 4665731692.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2961375661) and next prime (2961375667).

It is not an unprimeable number, because it can be changed into a prime (2961375661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270652 + ... + 281380.

It is an arithmetic number, because the mean of its divisors is an integer number (154606424).

Almost surely, 2^2961375664 is an apocalyptic number.

It is an amenable number.

2961375664 is an abundant number, since it is smaller than the sum of its proper divisors (3222881296).

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

2961375664 is a wasteful number, since it uses less digits than its factorization.

2961375664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12077 (or 12071 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The square root of 2961375664 is about 54418.5231699648. The cubic root of 2961375664 is about 1436.0332676449.

The spelling of 2961375664 in words is "two billion, nine hundred sixty-one million, three hundred seventy-five thousand, six hundred sixty-four".