166222083 has 8 divisors (see below), whose sum is σ = 224435200. Its totient is φ = 109411848.

The previous prime is 166222079. The next prime is 166222087. The reversal of 166222083 is 380222661.

It is an interprime number because it is at equal distance from previous prime (166222079) and next prime (166222087).

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

It is not a de Polignac number, because 166222083 - 2² = 166222079 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 166222083.

It is not an unprimeable number, because it can be changed into a prime (166222087) 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, 350443 + ... + 350916.

It is an arithmetic number, because the mean of its divisors is an integer number (28054400).

Almost surely, 2^166222083 is an apocalyptic number.

166222083 is a deficient number, since it is larger than the sum of its proper divisors (58213117).

166222083 is an equidigital number, since it uses as much as digits as its factorization.

166222083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701441.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 166222083 is about 12892.7143379507. The cubic root of 166222083 is about 549.8314447679.

The spelling of 166222083 in words is "one hundred sixty-six million, two hundred twenty-two thousand, eighty-three".