106155666 has 12 divisors (see below), whose sum is σ = 230003982. Its totient is φ = 35385216.

The previous prime is 106155659. The next prime is 106155713. The reversal of 106155666 is 666551601.

It can be written as a sum of positive squares in only one way, i.e., 101425041 + 4730625 = 10071^2 + 2175^2 .

It is a super-2 number, since 2×106155666² = 22538050847807112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106155666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2948751 + ... + 2948786.

Almost surely, 2^106155666 is an apocalyptic number.

106155666 is an abundant number, since it is smaller than the sum of its proper divisors (123848316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106155666 is a wasteful number, since it uses less digits than its factorization.

106155666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897545 (or 5897542 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 106155666 is about 10303.1871767915. The cubic root of 106155666 is about 473.4939051641.

The spelling of 106155666 in words is "one hundred six million, one hundred fifty-five thousand, six hundred sixty-six".