196540783157803 has 32 divisors (see below), whose sum is σ = 231248777493888. Its totient is φ = 163512761702400.

The previous prime is 196540783157731. The next prime is 196540783157839. The reversal of 196540783157803 is 308751387045691.

It is a cyclic number.

It is not a de Polignac number, because 196540783157803 - 2⁹ = 196540783157291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196540783157843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467475763 + ... + 467896003.

It is an arithmetic number, because the mean of its divisors is an integer number (7226524296684).

Almost surely, 2^{196540783157803} is an apocalyptic number.

196540783157803 is a deficient number, since it is larger than the sum of its proper divisors (34707994336085).

196540783157803 is a wasteful number, since it uses less digits than its factorization.

196540783157803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424663.

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 196540783157803 in words is "one hundred ninety-six trillion, five hundred forty billion, seven hundred eighty-three million, one hundred fifty-seven thousand, eight hundred three".