455212166 has 4 divisors (see below), whose sum is σ = 682818252. Its totient is φ = 227606082.

The previous prime is 455212157. The next prime is 455212183. The reversal of 455212166 is 661212554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661212554 = 2 ⋅330606277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113803040 + ... + 113803043.

It is an arithmetic number, because the mean of its divisors is an integer number (170704563).

Almost surely, 2^455212166 is an apocalyptic number.

455212166 is a deficient number, since it is larger than the sum of its proper divisors (227606086).

455212166 is a wasteful number, since it uses less digits than its factorization.

455212166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227606085.

The product of its digits is 14400, while the sum is 32.

The square root of 455212166 is about 21335.7016758296. The cubic root of 455212166 is about 769.2566987931.

The spelling of 455212166 in words is "four hundred fifty-five million, two hundred twelve thousand, one hundred sixty-six".