166652402 has 16 divisors (see below), whose sum is σ = 288637440. Its totient is φ = 70685568.

The previous prime is 166652399. The next prime is 166652419. The reversal of 166652402 is 204256661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60002 + ... + 62717.

It is an arithmetic number, because the mean of its divisors is an integer number (18039840).

Almost surely, 2^166652402 is an apocalyptic number.

166652402 is a deficient number, since it is larger than the sum of its proper divisors (121985038).

166652402 is a wasteful number, since it uses less digits than its factorization.

166652402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122825.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 166652402 is about 12909.3920073720. The cubic root of 166652402 is about 550.3055074040.

The spelling of 166652402 in words is "one hundred sixty-six million, six hundred fifty-two thousand, four hundred two".