16396065 has 24 divisors (see below), whose sum is σ = 32480448. Its totient is φ = 7495200.

The previous prime is 16396063. The next prime is 16396099. The reversal of 16396065 is 56069361.

16396065 is a `hidden beast` number, since 16 + 39 + 606 + 5 = 666.

It is not a de Polignac number, because 16396065 - 2¹ = 16396063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16396063) 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 23 ways as a sum of consecutive naturals, for example, 25711 + ... + 26340.

It is an arithmetic number, because the mean of its divisors is an integer number (1353352).

Almost surely, 2^16396065 is an apocalyptic number.

16396065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16396065 is a deficient number, since it is larger than the sum of its proper divisors (16084383).

16396065 is a wasteful number, since it uses less digits than its factorization.

16396065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52069 (or 52066 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 16396065 is about 4049.2054776215. The cubic root of 16396065 is about 254.0464967476.

It can be divided in two parts, 163960 and 65, that added together give a square (164025 = 405²).

The spelling of 16396065 in words is "sixteen million, three hundred ninety-six thousand, sixty-five".