16328119618 has 4 divisors (see below), whose sum is σ = 24492179430. Its totient is φ = 8164059808.

The previous prime is 16328119609. The next prime is 16328119627. The reversal of 16328119618 is 81691182361.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16328119609) and next prime (16328119627).

It can be written as a sum of positive squares in only one way, i.e., 16324406289 + 3713329 = 127767^2 + 1927^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082029903 + ... + 4082029906.

Almost surely, 2^16328119618 is an apocalyptic number.

16328119618 is a deficient number, since it is larger than the sum of its proper divisors (8164059812).

16328119618 is an equidigital number, since it uses as much as digits as its factorization.

16328119618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164059811.

The product of its digits is 124416, while the sum is 46.

The spelling of 16328119618 in words is "sixteen billion, three hundred twenty-eight million, one hundred nineteen thousand, six hundred eighteen".