18666670037 has 8 divisors (see below), whose sum is σ = 18903110016. Its totient is φ = 18430504992.

The previous prime is 18666670019. The next prime is 18666670051. The reversal of 18666670037 is 73007666681.

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 18666670037 - 2⁸ = 18666669781 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 (18666670007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69668 + ... + 205394.

It is an arithmetic number, because the mean of its divisors is an integer number (2362888752).

Almost surely, 2^18666670037 is an apocalyptic number.

It is an amenable number.

18666670037 is a deficient number, since it is larger than the sum of its proper divisors (236439979).

18666670037 is a wasteful number, since it uses less digits than its factorization.

18666670037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137467.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 18666670037 in words is "eighteen billion, six hundred sixty-six million, six hundred seventy thousand, thirty-seven".