7950420566 has 16 divisors (see below), whose sum is σ = 13775060880. Its totient is φ = 3401249280.

The previous prime is 7950420563. The next prime is 7950420571. The reversal of 7950420566 is 6650240597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7950420563) 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, 10628531 + ... + 10629278.

It is an arithmetic number, because the mean of its divisors is an integer number (860941305).

Almost surely, 2^7950420566 is an apocalyptic number.

7950420566 is a deficient number, since it is larger than the sum of its proper divisors (5824640314).

7950420566 is a wasteful number, since it uses less digits than its factorization.

7950420566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21257839.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 7950420566 is about 89165.1308864626. The cubic root of 7950420566 is about 1995.8598158516.

The spelling of 7950420566 in words is "seven billion, nine hundred fifty million, four hundred twenty thousand, five hundred sixty-six".