2638506116 has 24 divisors (see below), whose sum is σ = 4730799360. Its totient is φ = 1287029952.

The previous prime is 2638506107. The next prime is 2638506121. The reversal of 2638506116 is 6116058362.

It is a self number, because there is not a number n which added to its sum of digits gives 2638506116.

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, 36425 + ... + 81263.

It is an arithmetic number, because the mean of its divisors is an integer number (197116640).

Almost surely, 2^2638506116 is an apocalyptic number.

It is an amenable number.

2638506116 is a deficient number, since it is larger than the sum of its proper divisors (2092293244).

2638506116 is a wasteful number, since it uses less digits than its factorization.

2638506116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45203 (or 45201 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2638506116 is about 51366.3909185763. The cubic root of 2638506116 is about 1381.8239056355.

The spelling of 2638506116 in words is "two billion, six hundred thirty-eight million, five hundred six thousand, one hundred sixteen".