16113665 has 8 divisors (see below), whose sum is σ = 19517760. Its totient is φ = 12770032.

The previous prime is 16113659. The next prime is 16113673. The reversal of 16113665 is 56631161.

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

It is a cyclic number.

It is not a de Polignac number, because 16113665 - 2⁴ = 16113649 is a prime.

It is a Curzon number.

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, 14525 + ... + 15594.

It is an arithmetic number, because the mean of its divisors is an integer number (2439720).

It is a Proth number, since it is equal to 1967 ⋅ 2¹³ + 1 and 1967 < 2¹³.

Almost surely, 2^16113665 is an apocalyptic number.

It is an amenable number.

16113665 is a deficient number, since it is larger than the sum of its proper divisors (3404095).

16113665 is a wasteful number, since it uses less digits than its factorization.

16113665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30231.

The product of its digits is 3240, while the sum is 29.

The square root of 16113665 is about 4014.1829803834. The cubic root of 16113665 is about 252.5795063811.

The spelling of 16113665 in words is "sixteen million, one hundred thirteen thousand, six hundred sixty-five".