6621600050 has 96 divisors (see below), whose sum is σ = 13704154128. Its totient is φ = 2365009920.

The previous prime is 6621600049. The next prime is 6621600061. The reversal of 6621600050 is 500061266.

It can be written as a sum of positive squares in 24 ways, for example, as 880961761 + 5740638289 = 29681^2 + 75767^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 6621599992 and 6621600019.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2513534 + ... + 2516166.

Almost surely, 2^6621600050 is an apocalyptic number.

6621600050 is an abundant number, since it is smaller than the sum of its proper divisors (7082554078).

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

6621600050 is a wasteful number, since it uses less digits than its factorization.

6621600050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6621600050 is about 81373.2145733472. The cubic root of 6621600050 is about 1877.8215344917.

The spelling of 6621600050 in words is "six billion, six hundred twenty-one million, six hundred thousand, fifty".