166230811 has 8 divisors (see below), whose sum is σ = 176122944. Its totient is φ = 156351360.

The previous prime is 166230803. The next prime is 166230839. The reversal of 166230811 is 118032661.

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 166230811 - 2³ = 166230803 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 166230811.

It is not an unprimeable number, because it can be changed into a prime (166230611) 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, 43966 + ... + 47596.

It is an arithmetic number, because the mean of its divisors is an integer number (22015368).

Almost surely, 2^166230811 is an apocalyptic number.

166230811 is a deficient number, since it is larger than the sum of its proper divisors (9892133).

166230811 is a wasteful number, since it uses less digits than its factorization.

166230811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 166230811 is about 12893.0528192511. The cubic root of 166230811 is about 549.8410681279.

The spelling of 166230811 in words is "one hundred sixty-six million, two hundred thirty thousand, eight hundred eleven".