8061562621 has 16 divisors (see below), whose sum is σ = 9341309824. Its totient is φ = 6814347264.

The previous prime is 8061562589. The next prime is 8061562669. The reversal of 8061562621 is 1262651608.

It is a cyclic number.

It is not a de Polignac number, because 8061562621 - 2⁵ = 8061562589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8061566621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171181 + ... + 213133.

It is an arithmetic number, because the mean of its divisors is an integer number (583831864).

Almost surely, 2^8061562621 is an apocalyptic number.

It is an amenable number.

8061562621 is a deficient number, since it is larger than the sum of its proper divisors (1279747203).

8061562621 is a wasteful number, since it uses less digits than its factorization.

8061562621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42340.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8061562621 is about 89786.2050707123. The cubic root of 8061562621 is about 2005.1171148187.

The spelling of 8061562621 in words is "eight billion, sixty-one million, five hundred sixty-two thousand, six hundred twenty-one".