188042466 has 16 divisors (see below), whose sum is σ = 388217088. Its totient is φ = 60658800.

The previous prime is 188042461. The next prime is 188042471. The reversal of 188042466 is 664240881.

188042466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (188042461) and next prime (188042471).

It is a super-2 number, since 2×188042466² = 70719938038722312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188042461) 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, 505305 + ... + 505676.

It is an arithmetic number, because the mean of its divisors is an integer number (24263568).

Almost surely, 2^188042466 is an apocalyptic number.

188042466 is an abundant number, since it is smaller than the sum of its proper divisors (200174622).

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

188042466 is a wasteful number, since it uses less digits than its factorization.

188042466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011017.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 188042466 is about 13712.8576890450. The cubic root of 188042466 is about 572.9085618676.

The spelling of 188042466 in words is "one hundred eighty-eight million, forty-two thousand, four hundred sixty-six".