166206314541 has 8 divisors (see below), whose sum is σ = 225241344544. Its totient is φ = 108987747120.

The previous prime is 166206314537. The next prime is 166206314543. The reversal of 166206314541 is 145413602661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166206314541 - 2² = 166206314537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166206314541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166206314543) 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, 454115431 + ... + 454115796.

It is an arithmetic number, because the mean of its divisors is an integer number (28155168068).

Almost surely, 2^166206314541 is an apocalyptic number.

It is an amenable number.

166206314541 is a deficient number, since it is larger than the sum of its proper divisors (59035030003).

166206314541 is an equidigital number, since it uses as much as digits as its factorization.

166206314541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908231291.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 166206314541 in words is "one hundred sixty-six billion, two hundred six million, three hundred fourteen thousand, five hundred forty-one".