196661452 has 12 divisors (see below), whose sum is σ = 370631296. Its totient is φ = 90766800.

The previous prime is 196661449. The next prime is 196661453. The reversal of 196661452 is 254166691.

It is a happy number.

196661452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (196661453) 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, 1890924 + ... + 1891027.

Almost surely, 2^196661452 is an apocalyptic number.

It is an amenable number.

196661452 is a deficient number, since it is larger than the sum of its proper divisors (173969844).

196661452 is a wasteful number, since it uses less digits than its factorization.

196661452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781968 (or 3781966 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 196661452 is about 14023.6033885731. The cubic root of 196661452 is about 581.5312806400.

The spelling of 196661452 in words is "one hundred ninety-six million, six hundred sixty-one thousand, four hundred fifty-two".