16113507 has 4 divisors (see below), whose sum is σ = 21484680. Its totient is φ = 10742336.

The previous prime is 16113481. The next prime is 16113541. The reversal of 16113507 is 70531161.

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 16113507 - 2¹⁹ = 15589219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16113557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685582 + ... + 2685587.

It is an arithmetic number, because the mean of its divisors is an integer number (5371170).

Almost surely, 2^16113507 is an apocalyptic number.

16113507 is a deficient number, since it is larger than the sum of its proper divisors (5371173).

16113507 is an equidigital number, since it uses as much as digits as its factorization.

16113507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371172.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 16113507 is about 4014.1633001162. The cubic root of 16113507 is about 252.5786808356.

Adding to 16113507 its reverse (70531161), we get a palindrome (86644668).

The spelling of 16113507 in words is "sixteen million, one hundred thirteen thousand, five hundred seven".