16315387 has 8 divisors (see below), whose sum is σ = 17830512. Its totient is φ = 14805600.

The previous prime is 16315379. The next prime is 16315421. The reversal of 16315387 is 78351361.

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 16315387 - 2³ = 16315379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16315337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7837 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (2228814).

Almost surely, 2^16315387 is an apocalyptic number.

16315387 is a deficient number, since it is larger than the sum of its proper divisors (1515125).

16315387 is a wasteful number, since it uses less digits than its factorization.

16315387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its digits is 15120, while the sum is 34.

The square root of 16315387 is about 4039.2309911665. The cubic root of 16315387 is about 253.6291268330.

The spelling of 16315387 in words is "sixteen million, three hundred fifteen thousand, three hundred eighty-seven".