5191940164452 has 24 divisors (see below), whose sum is σ = 12114878786976. Its totient is φ = 1730596473408.

The previous prime is 5191940164451. The next prime is 5191940164531. The reversal of 5191940164452 is 2544610491915.

It is a junction number, because it is equal to n+sod(n) for n = 5191940164395 and 5191940164404.

It is not an unprimeable number, because it can be changed into a prime (5191940164451) 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, 5849298 + ... + 6678185.

It is an arithmetic number, because the mean of its divisors is an integer number (504786616124).

Almost surely, 2^{5191940164452} is an apocalyptic number.

It is an amenable number.

5191940164452 is an abundant number, since it is smaller than the sum of its proper divisors (6922938622524).

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

5191940164452 is a wasteful number, since it uses less digits than its factorization.

5191940164452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562027 (or 12562025 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 5191940164452 in words is "five trillion, one hundred ninety-one billion, nine hundred forty million, one hundred sixty-four thousand, four hundred fifty-two".