16361265 has 16 divisors (see below), whose sum is σ = 26232768. Its totient is φ = 8707776.

The previous prime is 16361239. The next prime is 16361269. The reversal of 16361265 is 56216361.

It is not a de Polignac number, because 16361265 - 2¹⁶ = 16295729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16361269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9447 + ... + 11043.

It is an arithmetic number, because the mean of its divisors is an integer number (1639548).

Almost surely, 2^16361265 is an apocalyptic number.

16361265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16361265 is a deficient number, since it is larger than the sum of its proper divisors (9871503).

16361265 is a wasteful number, since it uses less digits than its factorization.

16361265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288.

The product of its digits is 6480, while the sum is 30.

The square root of 16361265 is about 4044.9060557694. The cubic root of 16361265 is about 253.8666348877.

The spelling of 16361265 in words is "sixteen million, three hundred sixty-one thousand, two hundred sixty-five".