166060890 has 48 divisors (see below), whose sum is σ = 432462888. Its totient is φ = 44210688.

The previous prime is 166060889. The next prime is 166060903. The reversal of 166060890 is 98060661.

It can be written as a sum of positive squares in 4 ways, for example, as 132917841 + 33143049 = 11529^2 + 5757^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76054 + ... + 78206.

Almost surely, 2^166060890 is an apocalyptic number.

166060890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166060890 is an abundant number, since it is smaller than the sum of its proper divisors (266401998).

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

166060890 is a wasteful number, since it uses less digits than its factorization.

166060890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 166060890 is about 12886.4615003499. The cubic root of 166060890 is about 549.6536552246.

The spelling of 166060890 in words is "one hundred sixty-six million, sixty thousand, eight hundred ninety".