402270166 has 8 divisors (see below), whose sum is σ = 635163480. Its totient is φ = 190549008.

The previous prime is 402270139. The next prime is 402270181. The reversal of 402270166 is 661072204.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5292991 + ... + 5293066.

It is an arithmetic number, because the mean of its divisors is an integer number (79395435).

Almost surely, 2^402270166 is an apocalyptic number.

402270166 is a deficient number, since it is larger than the sum of its proper divisors (232893314).

402270166 is a wasteful number, since it uses less digits than its factorization.

402270166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586078.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 402270166 is about 20056.6738518629. The cubic root of 402270166 is about 738.1975648777.

The spelling of 402270166 in words is "four hundred two million, two hundred seventy thousand, one hundred sixty-six".