16223602618 has 8 divisors (see below), whose sum is σ = 25616214720. Its totient is φ = 7684864380.

The previous prime is 16223602579. The next prime is 16223602631. The reversal of 16223602618 is 81620632261.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 213468418 + ... + 213468493.

It is an arithmetic number, because the mean of its divisors is an integer number (3202026840).

Almost surely, 2^16223602618 is an apocalyptic number.

16223602618 is a deficient number, since it is larger than the sum of its proper divisors (9392612102).

16223602618 is a wasteful number, since it uses less digits than its factorization.

16223602618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426936932.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 16223602618 in words is "sixteen billion, two hundred twenty-three million, six hundred two thousand, six hundred eighteen".