9157657666 has 8 divisors (see below), whose sum is σ = 13741459200. Its totient is φ = 4577171268.

The previous prime is 9157657661. The next prime is 9157657673. The reversal of 9157657666 is 6667567519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9157657666.

It is not an unprimeable number, because it can be changed into a prime (9157657661) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 821866 + ... + 832933.

It is an arithmetic number, because the mean of its divisors is an integer number (1717682400).

Almost surely, 2^9157657666 is an apocalyptic number.

9157657666 is a deficient number, since it is larger than the sum of its proper divisors (4583801534).

9157657666 is a wasteful number, since it uses less digits than its factorization.

9157657666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657568.

The product of its digits is 14288400, while the sum is 58.

The square root of 9157657666 is about 95695.6512387057. The cubic root of 9157657666 is about 2092.1595518078.

The spelling of 9157657666 in words is "nine billion, one hundred fifty-seven million, six hundred fifty-seven thousand, six hundred sixty-six".