666770037374 has 8 divisors (see below), whose sum is σ = 1143034349808. Its totient is φ = 285758587440.

The previous prime is 666770037371. The next prime is 666770037443. The reversal of 666770037374 is 473730077666.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666770037371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23813215607 + ... + 23813215634.

It is an arithmetic number, because the mean of its divisors is an integer number (142879293726).

Almost surely, 2^666770037374 is an apocalyptic number.

666770037374 is a deficient number, since it is larger than the sum of its proper divisors (476264312434).

666770037374 is a wasteful number, since it uses less digits than its factorization.

666770037374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47626431250.

The product of its (nonzero) digits is 18670176, while the sum is 56.

The spelling of 666770037374 in words is "six hundred sixty-six billion, seven hundred seventy million, thirty-seven thousand, three hundred seventy-four".