166827011 has 8 divisors (see below), whose sum is σ = 189115920. Its totient is φ = 145888992.

The previous prime is 166826977. The next prime is 166827061. The reversal of 166827011 is 110728661.

It is a happy number.

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

It is not a de Polignac number, because 166827011 - 2²² = 162632707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166827061) 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, 337460 + ... + 337953.

It is an arithmetic number, because the mean of its divisors is an integer number (23639490).

Almost surely, 2^166827011 is an apocalyptic number.

166827011 is a deficient number, since it is larger than the sum of its proper divisors (22288909).

166827011 is a wasteful number, since it uses less digits than its factorization.

166827011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675445.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 166827011 is about 12916.1531037689. The cubic root of 166827011 is about 550.4976333581.

The spelling of 166827011 in words is "one hundred sixty-six million, eight hundred twenty-seven thousand, eleven".