196553065 has 16 divisors (see below), whose sum is σ = 256491792. Its totient is φ = 143990784.

The previous prime is 196553059. The next prime is 196553083. The reversal of 196553065 is 560355691.

It can be written as a sum of positive squares in 8 ways, for example, as 10830681 + 185722384 = 3291^2 + 13628^2 .

It is a cyclic number.

It is not a de Polignac number, because 196553065 - 2⁵ = 196553033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28104 + ... + 34393.

It is an arithmetic number, because the mean of its divisors is an integer number (16030737).

Almost surely, 2^196553065 is an apocalyptic number.

It is an amenable number.

196553065 is a deficient number, since it is larger than the sum of its proper divisors (59938727).

196553065 is a wasteful number, since it uses less digits than its factorization.

196553065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62556.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 196553065 is about 14019.7384069746. The cubic root of 196553065 is about 581.4244269358.

The spelling of 196553065 in words is "one hundred ninety-six million, five hundred fifty-three thousand, sixty-five".