16276997 has 4 divisors (see below), whose sum is σ = 17756736. Its totient is φ = 14797260.

The previous prime is 16276961. The next prime is 16277069. The reversal of 16276997 is 79967261.

16276997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 16276997 - 2⁶ = 16276933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16276937) 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, 739853 + ... + 739874.

It is an arithmetic number, because the mean of its divisors is an integer number (4439184).

Almost surely, 2^16276997 is an apocalyptic number.

It is an amenable number.

16276997 is a deficient number, since it is larger than the sum of its proper divisors (1479739).

16276997 is a wasteful number, since it uses less digits than its factorization.

16276997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479738.

The product of its digits is 285768, while the sum is 47.

The square root of 16276997 is about 4034.4760502449. The cubic root of 16276997 is about 253.4300413711.

The spelling of 16276997 in words is "sixteen million, two hundred seventy-six thousand, nine hundred ninety-seven".