166127402 has 32 divisors (see below), whose sum is σ = 289446912. Its totient is φ = 70043904.

The previous prime is 166127359. The next prime is 166127491. The reversal of 166127402 is 204721661.

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, 273383 + ... + 273989.

It is an arithmetic number, because the mean of its divisors is an integer number (9045216).

Almost surely, 2^166127402 is an apocalyptic number.

166127402 is a deficient number, since it is larger than the sum of its proper divisors (123319510).

166127402 is a wasteful number, since it uses less digits than its factorization.

166127402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 166127402 is about 12889.0419349151. The cubic root of 166127402 is about 549.7270292825.

The spelling of 166127402 in words is "one hundred sixty-six million, one hundred twenty-seven thousand, four hundred two".