10166656616739 has 48 divisors (see below), whose sum is σ = 17436466681088. Its totient is φ = 5798896844832.

The previous prime is 10166656616659. The next prime is 10166656616761. The reversal of 10166656616739 is 93761665666101.

It is a happy number.

It is not a de Polignac number, because 10166656616739 - 2¹² = 10166656612643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (10166656616539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4532872 + ... + 6393765.

Almost surely, 2^{10166656616739} is an apocalyptic number.

10166656616739 is a deficient number, since it is larger than the sum of its proper divisors (7269810064349).

10166656616739 is an equidigital number, since it uses as much as digits as its factorization.

10166656616739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927206 (or 10927194 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 10166656616739 in words is "ten trillion, one hundred sixty-six billion, six hundred fifty-six million, six hundred sixteen thousand, seven hundred thirty-nine".