196264665 has 12 divisors (see below), whose sum is σ = 340192164. Its totient is φ = 104674464.

The previous prime is 196264639. The next prime is 196264667. The reversal of 196264665 is 566462691.

196264665 is a `hidden beast` number, since 19 + 626 + 4 + 6 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61402896 + 134861769 = 7836^2 + 11613^2 .

It is not a de Polignac number, because 196264665 - 2⁹ = 196264153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4361437 = 196264665 / (1 + 9 + 6 + 2 + 6 + 4 + 6 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 196264665.

It is not an unprimeable number, because it can be changed into a prime (196264667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2180674 + ... + 2180763.

It is an arithmetic number, because the mean of its divisors is an integer number (28349347).

Almost surely, 2^196264665 is an apocalyptic number.

196264665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196264665 is a deficient number, since it is larger than the sum of its proper divisors (143927499).

196264665 is a wasteful number, since it uses less digits than its factorization.

196264665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361448 (or 4361445 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 196264665 is about 14009.4491326390. The cubic root of 196264665 is about 581.1399153296.

The spelling of 196264665 in words is "one hundred ninety-six million, two hundred sixty-four thousand, six hundred sixty-five".