5621021716 has 24 divisors (see below), whose sum is σ = 9886423680. Its totient is φ = 2796360000.

The previous prime is 5621021701. The next prime is 5621021737. The reversal of 5621021716 is 6171201265.

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, 840795 + ... + 847453.

It is an arithmetic number, because the mean of its divisors is an integer number (411934320).

Almost surely, 2^5621021716 is an apocalyptic number.

It is an amenable number.

5621021716 is a deficient number, since it is larger than the sum of its proper divisors (4265401964).

5621021716 is a wasteful number, since it uses less digits than its factorization.

5621021716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695 (or 7693 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 5621021716 is about 74973.4734156021. The cubic root of 5621021716 is about 1778.0272842753.

The spelling of 5621021716 in words is "five billion, six hundred twenty-one million, twenty-one thousand, seven hundred sixteen".