427952166 has 32 divisors (see below), whose sum is σ = 867158880. Its totient is φ = 140783616.

The previous prime is 427952123. The next prime is 427952177. The reversal of 427952166 is 661259724.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265170 + ... + 266778.

It is an arithmetic number, because the mean of its divisors is an integer number (27098715).

Almost surely, 2^427952166 is an apocalyptic number.

427952166 is an abundant number, since it is smaller than the sum of its proper divisors (439206714).

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

427952166 is a wasteful number, since it uses less digits than its factorization.

427952166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its digits is 181440, while the sum is 42.

The square root of 427952166 is about 20687.0047614438. The cubic root of 427952166 is about 753.5841283040.

The spelling of 427952166 in words is "four hundred twenty-seven million, nine hundred fifty-two thousand, one hundred sixty-six".