166222353 has 16 divisors (see below), whose sum is σ = 242297856. Its totient is φ = 100524240.

The previous prime is 166222319. The next prime is 166222361. The reversal of 166222353 is 353222661.

It is not a de Polignac number, because 166222353 - 2¹² = 166218257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166222353.

It is not an unprimeable number, because it can be changed into a prime (166222313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10900 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (15143616).

Almost surely, 2^166222353 is an apocalyptic number.

It is an amenable number.

166222353 is a deficient number, since it is larger than the sum of its proper divisors (76075503).

166222353 is a wasteful number, since it uses less digits than its factorization.

166222353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844.

The product of its digits is 12960, while the sum is 30.

The square root of 166222353 is about 12892.7248089766. The cubic root of 166222353 is about 549.8317424708.

The spelling of 166222353 in words is "one hundred sixty-six million, two hundred twenty-two thousand, three hundred fifty-three".