166283953 has 24 divisors (see below), whose sum is σ = 202914720. Its totient is φ = 134737920.

The previous prime is 166283947. The next prime is 166283963. The reversal of 166283953 is 359382661.

166283953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166283953 - 2¹³ = 166275761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166283963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59025 + ... + 61777.

It is an arithmetic number, because the mean of its divisors is an integer number (8454780).

Almost surely, 2^166283953 is an apocalyptic number.

It is an amenable number.

166283953 is a deficient number, since it is larger than the sum of its proper divisors (36630767).

166283953 is a wasteful number, since it uses less digits than its factorization.

166283953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2800 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 166283953 is about 12895.1135318771. The cubic root of 166283953 is about 549.8996544207.

The spelling of 166283953 in words is "one hundred sixty-six million, two hundred eighty-three thousand, nine hundred fifty-three".