196929665 has 4 divisors (see below), whose sum is σ = 236315604. Its totient is φ = 157543728.

The previous prime is 196929641. The next prime is 196929709. The reversal of 196929665 is 566929691.

196929665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566929691 = 23 ⋅24649117.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 176172529 = 4556^2 + 13273^2 .

It is a cyclic number.

It is not a de Polignac number, because 196929665 - 2⁸ = 196929409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19692962 + ... + 19692971.

It is an arithmetic number, because the mean of its divisors is an integer number (59078901).

Almost surely, 2^196929665 is an apocalyptic number.

It is an amenable number.

196929665 is a deficient number, since it is larger than the sum of its proper divisors (39385939).

196929665 is an equidigital number, since it uses as much as digits as its factorization.

196929665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39385938.

The product of its digits is 1574640, while the sum is 53.

The square root of 196929665 is about 14033.1630433057. The cubic root of 196929665 is about 581.7955306900.

The spelling of 196929665 in words is "one hundred ninety-six million, nine hundred twenty-nine thousand, six hundred sixty-five".