5621660912 has 40 divisors (see below), whose sum is σ = 13180201056. Its totient is φ = 2267559936.

The previous prime is 5621660911. The next prime is 5621660953. The reversal of 5621660912 is 2190661265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621660911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474373 + ... + 1478180.

Almost surely, 2^5621660912 is an apocalyptic number.

It is an amenable number.

5621660912 is an abundant number, since it is smaller than the sum of its proper divisors (7558540144).

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

5621660912 is a wasteful number, since it uses less digits than its factorization.

5621660912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952585 (or 2952579 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 5621660912 is about 74977.7361087943. The cubic root of 5621660912 is about 1778.0946780048.

The spelling of 5621660912 in words is "five billion, six hundred twenty-one million, six hundred sixty thousand, nine hundred twelve".