2660403156 has 24 divisors (see below), whose sum is σ = 6375381600. Its totient is φ = 862833312.

The previous prime is 2660403143. The next prime is 2660403173. The reversal of 2660403156 is 6513040662.

2660403156 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 7 ways as a sum of consecutive naturals, for example, 2995506 + ... + 2996393.

It is an arithmetic number, because the mean of its divisors is an integer number (265640900).

Almost surely, 2^2660403156 is an apocalyptic number.

It is an amenable number.

2660403156 is an abundant number, since it is smaller than the sum of its proper divisors (3714978444).

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

2660403156 is a wasteful number, since it uses less digits than its factorization.

2660403156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991943 (or 5991941 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2660403156 is about 51579.0961146083. The cubic root of 2660403156 is about 1385.6359786043.

The spelling of 2660403156 in words is "two billion, six hundred sixty million, four hundred three thousand, one hundred fifty-six".