166254006020113 has 12 divisors (see below), whose sum is σ = 182742398293504. Its totient is φ = 151139681530200.

The previous prime is 166254006020107. The next prime is 166254006020131. The reversal of 166254006020113 is 311020600452661.

It is not a de Polignac number, because 166254006020113 - 2²¹ = 166254003922961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166254006026113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69156820 + ... + 71520442.

Almost surely, 2^{166254006020113} is an apocalyptic number.

It is an amenable number.

166254006020113 is a deficient number, since it is larger than the sum of its proper divisors (16488392273391).

166254006020113 is a wasteful number, since it uses less digits than its factorization.

166254006020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944956 (or 2944945 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 166254006020113 its reverse (311020600452661), we get a palindrome (477274606472774).

The spelling of 166254006020113 in words is "one hundred sixty-six trillion, two hundred fifty-four billion, six million, twenty thousand, one hundred thirteen".