16116604135 has 4 divisors (see below), whose sum is σ = 19339924968. Its totient is φ = 12893283304.

The previous prime is 16116604117. The next prime is 16116604139. The reversal of 16116604135 is 53140661161.

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

It is a cyclic number.

It is not a de Polignac number, because 16116604135 - 2⁹ = 16116603623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16116604135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16116604139) 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, 1611660409 + ... + 1611660418.

It is an arithmetic number, because the mean of its divisors is an integer number (4834981242).

Almost surely, 2^16116604135 is an apocalyptic number.

16116604135 is a deficient number, since it is larger than the sum of its proper divisors (3223320833).

16116604135 is an equidigital number, since it uses as much as digits as its factorization.

16116604135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223320832.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 16116604135 in words is "sixteen billion, one hundred sixteen million, six hundred four thousand, one hundred thirty-five".