11657166667 has 2 divisors, whose sum is σ = 11657166668. Its totient is φ = 11657166666.

The previous prime is 11657166649. The next prime is 11657166727. The reversal of 11657166667 is 76666175611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11657166667 is a prime.

It is not a weakly prime, because it can be changed into another prime (11657166637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828583333 + 5828583334.

It is an arithmetic number, because the mean of its divisors is an integer number (5828583334).

Almost surely, 2^11657166667 is an apocalyptic number.

11657166667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657166667 is an equidigital number, since it uses as much as digits as its factorization.

11657166667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The spelling of 11657166667 in words is "eleven billion, six hundred fifty-seven million, one hundred sixty-six thousand, six hundred sixty-seven".