2516673638 has 8 divisors (see below), whose sum is σ = 3787307832. Its totient is φ = 1254237696.

The previous prime is 2516673581. The next prime is 2516673701. The reversal of 2516673638 is 8363766152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2516673592 and 2516673601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048795 + ... + 2050022.

It is an arithmetic number, because the mean of its divisors is an integer number (473413479).

Almost surely, 2^2516673638 is an apocalyptic number.

2516673638 is a deficient number, since it is larger than the sum of its proper divisors (1270634194).

2516673638 is a wasteful number, since it uses less digits than its factorization.

2516673638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099126.

The product of its digits is 1088640, while the sum is 47.

The square root of 2516673638 is about 50166.4592930376. The cubic root of 2516673638 is about 1360.2194062828.

The spelling of 2516673638 in words is "two billion, five hundred sixteen million, six hundred seventy-three thousand, six hundred thirty-eight".