16397064 has 48 divisors (see below), whose sum is σ = 45945900. Its totient is φ = 5276544.

The previous prime is 16397063. The next prime is 16397107. The reversal of 16397064 is 46079361.

It can be written as a sum of positive squares in 2 ways, for example, as 14884164 + 1512900 = 3858^2 + 1230^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16397063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1839 + ... + 6014.

Almost surely, 2^16397064 is an apocalyptic number.

It is an amenable number.

16397064 is an abundant number, since it is smaller than the sum of its proper divisors (29548836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16397064 is a wasteful number, since it uses less digits than its factorization.

16397064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894 (or 7887 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16397064 is about 4049.3288332760. The cubic root of 16397064 is about 254.0516562639.

The spelling of 16397064 in words is "sixteen million, three hundred ninety-seven thousand, sixty-four".