16240115 has 4 divisors (see below), whose sum is σ = 19488144. Its totient is φ = 12992088.

The previous prime is 16240069. The next prime is 16240121. The reversal of 16240115 is 51104261.

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 16240115 - 2⁸ = 16239859 is a prime.

It is a Duffinian number.

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, 1624007 + ... + 1624016.

It is an arithmetic number, because the mean of its divisors is an integer number (4872036).

Almost surely, 2^16240115 is an apocalyptic number.

16240115 is a deficient number, since it is larger than the sum of its proper divisors (3248029).

16240115 is an equidigital number, since it uses as much as digits as its factorization.

16240115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248028.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16240115 is about 4029.9026042821. The cubic root of 16240115 is about 253.2384811492.

Adding to 16240115 its reverse (51104261), we get a palindrome (67344376).

The spelling of 16240115 in words is "sixteen million, two hundred forty thousand, one hundred fifteen".