196615953 has 12 divisors (see below), whose sum is σ = 284197108. Its totient is φ = 130986720.

The previous prime is 196615943. The next prime is 196615957. The reversal of 196615953 is 359516691.

196615953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 143209089 + 53406864 = 11967^2 + 7308^2 .

It is not a de Polignac number, because 196615953 - 2⁵ = 196615921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196615899 and 196615908.

It is not an unprimeable number, because it can be changed into a prime (196615957) 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, 7851 + ... + 21327.

Almost surely, 2^196615953 is an apocalyptic number.

It is an amenable number.

196615953 is a deficient number, since it is larger than the sum of its proper divisors (87581155).

196615953 is a wasteful number, since it uses less digits than its factorization.

196615953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15104 (or 15101 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 196615953 is about 14021.9810654558. The cubic root of 196615953 is about 581.4864300737.

The spelling of 196615953 in words is "one hundred ninety-six million, six hundred fifteen thousand, nine hundred fifty-three".