166572414511 has 8 divisors (see below), whose sum is σ = 166860812160. Its totient is φ = 166284109272.

The previous prime is 166572414499. The next prime is 166572414577. The reversal of 166572414511 is 115414275661.

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 166572414511 - 2¹⁵ = 166572381743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166572418511) 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, 4262286 + ... + 4301188.

It is an arithmetic number, because the mean of its divisors is an integer number (20857601520).

Almost surely, 2^166572414511 is an apocalyptic number.

166572414511 is a deficient number, since it is larger than the sum of its proper divisors (288397649).

166572414511 is an equidigital number, since it uses as much as digits as its factorization.

166572414511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46205.

The product of its digits is 201600, while the sum is 43.

The spelling of 166572414511 in words is "one hundred sixty-six billion, five hundred seventy-two million, four hundred fourteen thousand, five hundred eleven".