166166662 has 8 divisors (see below), whose sum is σ = 250293600. Its totient is φ = 82735464.

The previous prime is 166166659. The next prime is 166166669. The reversal of 166166662 is 266661661.

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

It is a super-2 number, since 2×166166662² = 55222719120444488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166166669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173337 + ... + 174292.

It is an arithmetic number, because the mean of its divisors is an integer number (31286700).

Almost surely, 2^166166662 is an apocalyptic number.

166166662 is a deficient number, since it is larger than the sum of its proper divisors (84126938).

166166662 is a wasteful number, since it uses less digits than its factorization.

166166662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347870.

The product of its digits is 93312, while the sum is 40.

The square root of 166166662 is about 12890.5648441021. The cubic root of 166166662 is about 549.7703305541.

The spelling of 166166662 in words is "one hundred sixty-six million, one hundred sixty-six thousand, six hundred sixty-two".