2961515616 has 48 divisors (see below), whose sum is σ = 7780256064. Its totient is φ = 986374784.

The previous prime is 2961515603. The next prime is 2961515677. The reversal of 2961515616 is 6165151692.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113671 + ... + 137273.

It is an arithmetic number, because the mean of its divisors is an integer number (162088668).

Almost surely, 2^2961515616 is an apocalyptic number.

It is an amenable number.

2961515616 is an abundant number, since it is smaller than the sum of its proper divisors (4818740448).

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

2961515616 is a wasteful number, since it uses less digits than its factorization.

2961515616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24923 (or 24915 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 2961515616 is about 54419.8090404588. The cubic root of 2961515616 is about 1436.0558891767.

The spelling of 2961515616 in words is "two billion, nine hundred sixty-one million, five hundred fifteen thousand, six hundred sixteen".