190018648 has 16 divisors (see below), whose sum is σ = 357095880. Its totient is φ = 94793088.

The previous prime is 190018637. The next prime is 190018667. The reversal of 190018648 is 846810091.

It is a happy number.

190018648 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 2×190018648² = 72214173175495808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23265 + ... + 30352.

Almost surely, 2^190018648 is an apocalyptic number.

It is an amenable number.

190018648 is a deficient number, since it is larger than the sum of its proper divisors (167077232).

190018648 is a wasteful number, since it uses less digits than its factorization.

190018648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54066 (or 54062 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 190018648 is about 13784.7251695491. The cubic root of 190018648 is about 574.9085152499.

The spelling of 190018648 in words is "one hundred ninety million, eighteen thousand, six hundred forty-eight".