190066506 has 16 divisors (see below), whose sum is σ = 434437824. Its totient is φ = 54304704.

The previous prime is 190066501. The next prime is 190066507. The reversal of 190066506 is 605660091.

190066506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190066506² = 72250553406096072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190066501) 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, 2262655 + ... + 2262738.

It is an arithmetic number, because the mean of its divisors is an integer number (27152364).

Almost surely, 2^190066506 is an apocalyptic number.

190066506 is an abundant number, since it is smaller than the sum of its proper divisors (244371318).

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

190066506 is a wasteful number, since it uses less digits than its factorization.

190066506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525405.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 190066506 is about 13786.4609671953. The cubic root of 190066506 is about 574.9567765871.

The spelling of 190066506 in words is "one hundred ninety million, sixty-six thousand, five hundred six".