196493934455 has 24 divisors (see below), whose sum is σ = 295388688672. Its totient is φ = 124374180672.

The previous prime is 196493934421. The next prime is 196493934491. The reversal of 196493934455 is 554439394691.

It is not a de Polignac number, because 196493934455 - 2¹⁸ = 196493672311 is a prime.

It is a super-2 number, since 2×196493934455² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30843587 + ... + 30849956.

It is an arithmetic number, because the mean of its divisors is an integer number (12307862028).

Almost surely, 2^196493934455 is an apocalyptic number.

196493934455 is a deficient number, since it is larger than the sum of its proper divisors (98894754217).

196493934455 is a wasteful number, since it uses less digits than its factorization.

196493934455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61693575 (or 61693568 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 62.

The spelling of 196493934455 in words is "one hundred ninety-six billion, four hundred ninety-three million, nine hundred thirty-four thousand, four hundred fifty-five".