7923166506 has 24 divisors (see below), whose sum is σ = 18176676804. Its totient is φ = 2485699200.

The previous prime is 7923166499. The next prime is 7923166519. The reversal of 7923166506 is 6056613297.

It can be written as a sum of positive squares in 2 ways, for example, as 6813677025 + 1109489481 = 82545^2 + 33309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12946045 + ... + 12946656.

Almost surely, 2^7923166506 is an apocalyptic number.

7923166506 is an abundant number, since it is smaller than the sum of its proper divisors (10253510298).

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

7923166506 is a wasteful number, since it uses less digits than its factorization.

7923166506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25892726 (or 25892723 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 7923166506 is about 89012.1705498748. The cubic root of 7923166506 is about 1993.5766008911.

The spelling of 7923166506 in words is "seven billion, nine hundred twenty-three million, one hundred sixty-six thousand, five hundred six".