666351107750037 has 8 divisors (see below), whose sum is σ = 888541881630400. Its totient is φ = 444197202851520.

The previous prime is 666351107749973. The next prime is 666351107750089. The reversal of 666351107750037 is 730057701153666.

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

It is not a de Polignac number, because 666351107750037 - 2⁶ = 666351107749973 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 (666351107757037) 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, 9217203289 + ... + 9217275582.

It is an arithmetic number, because the mean of its divisors is an integer number (111067735203800).

Almost surely, 2^{666351107750037} is an apocalyptic number.

It is an amenable number.

666351107750037 is a deficient number, since it is larger than the sum of its proper divisors (222190773880363).

666351107750037 is a wasteful number, since it uses less digits than its factorization.

666351107750037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18434490923.

The product of its (nonzero) digits is 16669800, while the sum is 57.

The spelling of 666351107750037 in words is "six hundred sixty-six trillion, three hundred fifty-one billion, one hundred seven million, seven hundred fifty thousand, thirty-seven".