196501518456 has 16 divisors (see below), whose sum is σ = 491253796200. Its totient is φ = 65500506144.

The previous prime is 196501518443. The next prime is 196501518457. The reversal of 196501518456 is 654815105691.

It is a super-2 number, since 2×196501518456² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196501518399 and 196501518408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196501518457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4093781611 + ... + 4093781658.

Almost surely, 2^196501518456 is an apocalyptic number.

It is an amenable number.

196501518456 is an abundant number, since it is smaller than the sum of its proper divisors (294752277744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196501518456 is a wasteful number, since it uses less digits than its factorization.

196501518456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187563278 (or 8187563274 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 196501518456 in words is "one hundred ninety-six billion, five hundred one million, five hundred eighteen thousand, four hundred fifty-six".