196157388592844 has 24 divisors (see below), whose sum is σ = 392315076373920. Its totient is φ = 84067388142336.

The previous prime is 196157388592843. The next prime is 196157388592849. The reversal of 196157388592844 is 448295883751691.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (196157388592843) 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, 63171914 + ... + 66204270.

It is an arithmetic number, because the mean of its divisors is an integer number (16346461515580).

Almost surely, 2^{196157388592844} is an apocalyptic number.

196157388592844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

196157388592844 is an abundant number, since it is smaller than the sum of its proper divisors (196157687781076).

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

196157388592844 is a wasteful number, since it uses less digits than its factorization.

196157388592844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342657 (or 5342655 counting only the distinct ones).

The product of its digits is 4180377600, while the sum is 80.

The spelling of 196157388592844 in words is "one hundred ninety-six trillion, one hundred fifty-seven billion, three hundred eighty-eight million, five hundred ninety-two thousand, eight hundred forty-four".