166050556 has 24 divisors (see below), whose sum is σ = 333438336. Its totient is φ = 70878000.

The previous prime is 166050553. The next prime is 166050559. The reversal of 166050556 is 655050661.

It is an interprime number because it is at equal distance from previous prime (166050553) and next prime (166050559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166050551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786 + ... + 18841.

It is an arithmetic number, because the mean of its divisors is an integer number (13893264).

Almost surely, 2^166050556 is an apocalyptic number.

It is an amenable number.

166050556 is an abundant number, since it is smaller than the sum of its proper divisors (167387780).

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

166050556 is a wasteful number, since it uses less digits than its factorization.

166050556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23889 (or 23887 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 166050556 is about 12886.0605306665. The cubic root of 166050556 is about 549.6422533051.

The spelling of 166050556 in words is "one hundred sixty-six million, fifty thousand, five hundred fifty-six".