666115057151 has 8 divisors (see below), whose sum is σ = 682395486864. Its totient is φ = 649836233280.

The previous prime is 666115057103. The next prime is 666115057187. The reversal of 666115057151 is 151750511666.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666115057151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666115057651) 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, 460640 + ... + 1242746.

It is an arithmetic number, because the mean of its divisors is an integer number (85299435858).

Almost surely, 2^666115057151 is an apocalyptic number.

666115057151 is a deficient number, since it is larger than the sum of its proper divisors (16280429713).

666115057151 is a wasteful number, since it uses less digits than its factorization.

666115057151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802921.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 666115057151 in words is "six hundred sixty-six billion, one hundred fifteen million, fifty-seven thousand, one hundred fifty-one".