666124105130755 has 8 divisors (see below), whose sum is σ = 799374844727424. Its totient is φ = 532882005057600.

The previous prime is 666124105130713. The next prime is 666124105130797. The reversal of 666124105130755 is 557031501421666.

It is an interprime number because it is at equal distance from previous prime (666124105130713) and next prime (666124105130797).

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

It is not a de Polignac number, because 666124105130755 - 2⁴⁹ = 103174151709443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159711251 + ... + 2160019660.

It is an arithmetic number, because the mean of its divisors is an integer number (99921855590928).

Almost surely, 2^{666124105130755} is an apocalyptic number.

666124105130755 is a deficient number, since it is larger than the sum of its proper divisors (133250739596669).

666124105130755 is a wasteful number, since it uses less digits than its factorization.

666124105130755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319761757.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 666124105130755 in words is "six hundred sixty-six trillion, one hundred twenty-four billion, one hundred five million, one hundred thirty thousand, seven hundred fifty-five".