16397055 has 12 divisors (see below), whose sum is σ = 28421640. Its totient is φ = 8745072.

The previous prime is 16397053. The next prime is 16397063. The reversal of 16397055 is 55079361.

It is a happy number.

It is not a de Polignac number, because 16397055 - 2¹ = 16397053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16397053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182145 + ... + 182234.

It is an arithmetic number, because the mean of its divisors is an integer number (2368470).

Almost surely, 2^16397055 is an apocalyptic number.

16397055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16397055 is a deficient number, since it is larger than the sum of its proper divisors (12024585).

16397055 is a wasteful number, since it uses less digits than its factorization.

16397055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364390 (or 364387 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 16397055 is about 4049.3277219805. The cubic root of 16397055 is about 254.0516097827.

It can be divided in two parts, 163970 and 55, that added together give a square (164025 = 405²).

The spelling of 16397055 in words is "sixteen million, three hundred ninety-seven thousand, fifty-five".