406023166 has 8 divisors (see below), whose sum is σ = 609693120. Its totient is φ = 202792128.

The previous prime is 406023139. The next prime is 406023169. The reversal of 406023166 is 661320604.

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

It is a super-2 number, since 2×406023166² = 329709622657327112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406023169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107406 + ... + 111121.

It is an arithmetic number, because the mean of its divisors is an integer number (76211640).

Almost surely, 2^406023166 is an apocalyptic number.

406023166 is a deficient number, since it is larger than the sum of its proper divisors (203669954).

406023166 is a wasteful number, since it uses less digits than its factorization.

406023166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219458.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 406023166 is about 20150.0165260478. The cubic root of 406023166 is about 740.4861463441.

It can be divided in two parts, 40 and 6023166, that added together give a palindrome (6023206).

The spelling of 406023166 in words is "four hundred six million, twenty-three thousand, one hundred sixty-six".