166252023 has 24 divisors (see below), whose sum is σ = 278953376. Its totient is φ = 93441600.

The previous prime is 166252003. The next prime is 166252049. The reversal of 166252023 is 320252661.

166252023 is a `hidden beast` number, since 16 + 625 + 2 + 0 + 23 = 666.

It is not a de Polignac number, because 166252023 - 2⁹ = 166251511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166252003) 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, 17788 + ... + 25473.

Almost surely, 2^166252023 is an apocalyptic number.

166252023 is a deficient number, since it is larger than the sum of its proper divisors (112701353).

166252023 is a wasteful number, since it uses less digits than its factorization.

166252023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43335 (or 43332 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 166252023 is about 12893.8754065642. The cubic root of 166252023 is about 549.8644547524.

The spelling of 166252023 in words is "one hundred sixty-six million, two hundred fifty-two thousand, twenty-three".