16488697 has 4 divisors (see below), whose sum is σ = 16687440. Its totient is φ = 16289956.

The previous prime is 16488679. The next prime is 16488701. The reversal of 16488697 is 79688461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16488697 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 16488697.

It is not an unprimeable number, because it can be changed into a prime (16488607) 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, 99247 + ... + 99412.

It is an arithmetic number, because the mean of its divisors is an integer number (4171860).

Almost surely, 2^16488697 is an apocalyptic number.

It is an amenable number.

16488697 is a deficient number, since it is larger than the sum of its proper divisors (198743).

16488697 is an equidigital number, since it uses as much as digits as its factorization.

16488697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198742.

The product of its digits is 580608, while the sum is 49.

The square root of 16488697 is about 4060.6276608426. The cubic root of 16488697 is about 254.5240230371.

The spelling of 16488697 in words is "sixteen million, four hundred eighty-eight thousand, six hundred ninety-seven".