190866152 has 16 divisors (see below), whose sum is σ = 366603300. Its totient is φ = 93105280.

The previous prime is 190866149. The next prime is 190866187. The reversal of 190866152 is 251668091.

It can be written as a sum of positive squares in 2 ways, for example, as 173343556 + 17522596 = 13166^2 + 4186^2 .

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, 290627 + ... + 291282.

Almost surely, 2^190866152 is an apocalyptic number.

It is an amenable number.

190866152 is a deficient number, since it is larger than the sum of its proper divisors (175737148).

190866152 is a wasteful number, since it uses less digits than its factorization.

190866152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581956 (or 581952 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 190866152 is about 13815.4316617325. The cubic root of 190866152 is about 575.7619660099.

The spelling of 190866152 in words is "one hundred ninety million, eight hundred sixty-six thousand, one hundred fifty-two".