196501518408 has 32 divisors (see below), whose sum is σ = 529042550400. Its totient is φ = 60462005568.

The previous prime is 196501518403. The next prime is 196501518427. The reversal of 196501518408 is 804815105691.

196501518408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×196501518408² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196501518403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314905968 + ... + 314906591.

It is an arithmetic number, because the mean of its divisors is an integer number (16532579700).

Almost surely, 2^196501518408 is an apocalyptic number.

It is an amenable number.

196501518408 is an abundant number, since it is smaller than the sum of its proper divisors (332541031992).

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

196501518408 is a wasteful number, since it uses less digits than its factorization.

196501518408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629812581 (or 629812577 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 196501518408 in words is "one hundred ninety-six billion, five hundred one million, five hundred eighteen thousand, four hundred eight".