253665196 has 24 divisors (see below), whose sum is σ = 457334640. Its totient is φ = 123033600.

The previous prime is 253665187. The next prime is 253665239. The reversal of 253665196 is 691566352.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25036 + ... + 33676.

It is an arithmetic number, because the mean of its divisors is an integer number (19055610).

Almost surely, 2^253665196 is an apocalyptic number.

It is an amenable number.

253665196 is a deficient number, since it is larger than the sum of its proper divisors (203669444).

253665196 is a wasteful number, since it uses less digits than its factorization.

253665196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8865 (or 8863 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 253665196 is about 15926.8702512452. The cubic root of 253665196 is about 633.0241732701.

The spelling of 253665196 in words is "two hundred fifty-three million, six hundred sixty-five thousand, one hundred ninety-six".