196152574465 has 4 divisors (see below), whose sum is σ = 235383089364. Its totient is φ = 156922059568.

The previous prime is 196152574451. The next prime is 196152574511. The reversal of 196152574465 is 564475251691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89432098704 + 106720475761 = 299052^2 + 326681^2 .

It is a cyclic number.

It is not a de Polignac number, because 196152574465 - 2¹¹ = 196152572417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19615257442 + ... + 19615257451.

It is an arithmetic number, because the mean of its divisors is an integer number (58845772341).

Almost surely, 2^196152574465 is an apocalyptic number.

It is an amenable number.

196152574465 is a deficient number, since it is larger than the sum of its proper divisors (39230514899).

196152574465 is an equidigital number, since it uses as much as digits as its factorization.

196152574465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39230514898.

The product of its digits is 9072000, while the sum is 55.

The spelling of 196152574465 in words is "one hundred ninety-six billion, one hundred fifty-two million, five hundred seventy-four thousand, four hundred sixty-five".