6666101650731 has 8 divisors (see below), whose sum is σ = 8944747863184. Its totient is φ = 4415761602720.

The previous prime is 6666101650661. The next prime is 6666101650739. The reversal of 6666101650731 is 1370561016666.

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

It is not a de Polignac number, because 6666101650731 - 2¹⁷ = 6666101519659 is a prime.

It is a super-2 number, since 2×6666101650731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666101650739) 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, 7076540560 + ... + 7076541501.

It is an arithmetic number, because the mean of its divisors is an integer number (1118093482898).

Almost surely, 2^{6666101650731} is an apocalyptic number.

6666101650731 is a deficient number, since it is larger than the sum of its proper divisors (2278646212453).

6666101650731 is a wasteful number, since it uses less digits than its factorization.

6666101650731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14153082221.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 6666101650731 in words is "six trillion, six hundred sixty-six billion, one hundred one million, six hundred fifty thousand, seven hundred thirty-one".