16306477 has 4 divisors (see below), whose sum is σ = 17788896. Its totient is φ = 14824060.

The previous prime is 16306453. The next prime is 16306481. The reversal of 16306477 is 77460361.

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-16306477 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 (16306447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741193 + ... + 741214.

It is an arithmetic number, because the mean of its divisors is an integer number (4447224).

Almost surely, 2^16306477 is an apocalyptic number.

It is an amenable number.

16306477 is a deficient number, since it is larger than the sum of its proper divisors (1482419).

16306477 is a wasteful number, since it uses less digits than its factorization.

16306477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482418.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 16306477 is about 4038.1279078306. The cubic root of 16306477 is about 253.5829486043.

The spelling of 16306477 in words is "sixteen million, three hundred six thousand, four hundred seventy-seven".