196501799648 has 48 divisors (see below), whose sum is σ = 482322605184. Its totient is φ = 76559141760.

The previous prime is 196501799633. The next prime is 196501799671. The reversal of 196501799648 is 846997105691.

It is a super-2 number, since 2×196501799648² (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 7 ways as a sum of consecutive naturals, for example, 39872090 + ... + 39877017.

It is an arithmetic number, because the mean of its divisors is an integer number (10048387608).

Almost surely, 2^196501799648 is an apocalyptic number.

It is an amenable number.

196501799648 is an abundant number, since it is smaller than the sum of its proper divisors (285820805536).

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

196501799648 is a wasteful number, since it uses less digits than its factorization.

196501799648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79749135 (or 79749127 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 65.

The spelling of 196501799648 in words is "one hundred ninety-six billion, five hundred one million, seven hundred ninety-nine thousand, six hundred forty-eight".