196253618 has 16 divisors (see below), whose sum is σ = 335105856. Its totient is φ = 85327440.

The previous prime is 196253599. The next prime is 196253639. The reversal of 196253618 is 816352691.

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, 193421 + ... + 194432.

It is an arithmetic number, because the mean of its divisors is an integer number (20944116).

Almost surely, 2^196253618 is an apocalyptic number.

196253618 is a deficient number, since it is larger than the sum of its proper divisors (138852238).

196253618 is a wasteful number, since it uses less digits than its factorization.

196253618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387889.

The product of its digits is 77760, while the sum is 41.

The square root of 196253618 is about 14009.0548574841. The cubic root of 196253618 is about 581.1290117315.

The spelling of 196253618 in words is "one hundred ninety-six million, two hundred fifty-three thousand, six hundred eighteen".