66164877846166 has 16 divisors (see below), whose sum is σ = 108564813204480. Its totient is φ = 29992996394280.

The previous prime is 66164877846127. The next prime is 66164877846167.

66164877846166 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66164877846092 and 66164877846101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66164877846167) 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, 4097395806 + ... + 4097411953.

It is an arithmetic number, because the mean of its divisors is an integer number (6785300825280).

Almost surely, 2^{66164877846166} is an apocalyptic number.

66164877846166 is a deficient number, since it is larger than the sum of its proper divisors (42399935358314).

66164877846166 is a wasteful number, since it uses less digits than its factorization.

66164877846166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194808139.

The product of its digits is 2341011456, while the sum is 76.

The spelling of 66164877846166 in words is "sixty-six trillion, one hundred sixty-four billion, eight hundred seventy-seven million, eight hundred forty-six thousand, one hundred sixty-six".