2609163960 has 96 divisors (see below), whose sum is σ = 8475989040. Its totient is φ = 642250752.

The previous prime is 2609163929. The next prime is 2609163979. The reversal of 2609163960 is 693619062.

2609163960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44049 + ... + 84608.

Almost surely, 2^2609163960 is an apocalyptic number.

2609163960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2609163960 is an abundant number, since it is smaller than the sum of its proper divisors (5866825080).

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

2609163960 is a wasteful number, since it uses less digits than its factorization.

2609163960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128697 (or 128680 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 2609163960 is about 51079.9761158910. The cubic root of 2609163960 is about 1376.6824953346.

The spelling of 2609163960 in words is "two billion, six hundred nine million, one hundred sixty-three thousand, nine hundred sixty".