5272661668418 has 16 divisors (see below), whose sum is σ = 7922986669440. Its totient is φ = 2631669680976.

The previous prime is 5272661668411. The next prime is 5272661668423. The reversal of 5272661668418 is 8148661662725.

It is a super-2 number, since 2×5272661668418² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5272661668411) 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, 2068055 + ... + 3849957.

It is an arithmetic number, because the mean of its divisors is an integer number (495186666840).

Almost surely, 2^{5272661668418} is an apocalyptic number.

5272661668418 is a deficient number, since it is larger than the sum of its proper divisors (2650325001022).

5272661668418 is a wasteful number, since it uses less digits than its factorization.

5272661668418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784521.

The product of its digits is 46448640, while the sum is 62.

The spelling of 5272661668418 in words is "five trillion, two hundred seventy-two billion, six hundred sixty-one million, six hundred sixty-eight thousand, four hundred eighteen".