166274810063129 has 8 divisors (see below), whose sum is σ = 167332136224512. Its totient is φ = 165217937991120.

The previous prime is 166274810063119. The next prime is 166274810063147. The reversal of 166274810063129 is 921360018472661.

It is a happy number.

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 166274810063129 - 2²⁰ = 166274809014553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166274810063119) 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, 112787657 + ... + 114252374.

It is an arithmetic number, because the mean of its divisors is an integer number (20916517028064).

Almost surely, 2^{166274810063129} is an apocalyptic number.

It is an amenable number.

166274810063129 is a deficient number, since it is larger than the sum of its proper divisors (1057326161383).

166274810063129 is a wasteful number, since it uses less digits than its factorization.

166274810063129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227044687.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 166274810063129 in words is "one hundred sixty-six trillion, two hundred seventy-four billion, eight hundred ten million, sixty-three thousand, one hundred twenty-nine".