666150237512423 has 8 divisors (see below), whose sum is σ = 681745965149568. Its totient is φ = 650559230859384.

The previous prime is 666150237512413. The next prime is 666150237512533. The reversal of 666150237512423 is 324215732051666.

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

It is a cyclic number.

It is not a de Polignac number, because 666150237512423 - 2⁴ = 666150237512407 is a prime.

It is a super-2 number, since 2×666150237512423² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666150237512413) 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, 1179960515 + ... + 1180524932.

It is an arithmetic number, because the mean of its divisors is an integer number (85218245643696).

Almost surely, 2^{666150237512423} is an apocalyptic number.

666150237512423 is a deficient number, since it is larger than the sum of its proper divisors (15595727637145).

666150237512423 is a wasteful number, since it uses less digits than its factorization.

666150237512423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360492053.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 666150237512423 in words is "six hundred sixty-six trillion, one hundred fifty billion, two hundred thirty-seven million, five hundred twelve thousand, four hundred twenty-three".