8915372066 has 4 divisors (see below), whose sum is σ = 13373058102. Its totient is φ = 4457686032.

The previous prime is 8915372047. The next prime is 8915372087. The reversal of 8915372066 is 6602735198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8417145025 + 498227041 = 91745^2 + 22321^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8915372066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2228843015 + ... + 2228843018.

Almost surely, 2^8915372066 is an apocalyptic number.

8915372066 is a deficient number, since it is larger than the sum of its proper divisors (4457686036).

8915372066 is a wasteful number, since it uses less digits than its factorization.

8915372066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457686035.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 8915372066 is about 94421.2479582853. The cubic root of 8915372066 is about 2073.5435323179.

The spelling of 8915372066 in words is "eight billion, nine hundred fifteen million, three hundred seventy-two thousand, sixty-six".