166474023 has 8 divisors (see below), whose sum is σ = 231616128. Its totient is φ = 106157304.

The previous prime is 166473959. The next prime is 166474031. The reversal of 166474023 is 320474661.

It is a happy number.

166474023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166474023 - 2⁶ = 166473959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166474823) 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, 1206265 + ... + 1206402.

It is an arithmetic number, because the mean of its divisors is an integer number (28952016).

Almost surely, 2^166474023 is an apocalyptic number.

166474023 is a deficient number, since it is larger than the sum of its proper divisors (65142105).

166474023 is a wasteful number, since it uses less digits than its factorization.

166474023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412693.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 166474023 is about 12902.4812729955. The cubic root of 166474023 is about 550.1090946127.

The spelling of 166474023 in words is "one hundred sixty-six million, four hundred seventy-four thousand, twenty-three".