66166234001 has 16 divisors (see below), whose sum is σ = 75952078464. Its totient is φ = 56464124544.

The previous prime is 66166233983. The next prime is 66166234003. The reversal of 66166234001 is 10043266166.

It is a cyclic number.

It is not a de Polignac number, because 66166234001 - 2⁶ = 66166233937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66166234003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349335 + ... + 2377331.

It is an arithmetic number, because the mean of its divisors is an integer number (4747004904).

Almost surely, 2^66166234001 is an apocalyptic number.

It is an amenable number.

66166234001 is a deficient number, since it is larger than the sum of its proper divisors (9785844463).

66166234001 is a wasteful number, since it uses less digits than its factorization.

66166234001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29480.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 66166234001 in words is "sixty-six billion, one hundred sixty-six million, two hundred thirty-four thousand, one".