72411666406331 has 8 divisors (see below), whose sum is σ = 83991357196800. Its totient is φ = 61140767370408.

The previous prime is 72411666406259. The next prime is 72411666406349. The reversal of 72411666406331 is 13360466611427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72411666406331 - 2⁴⁶ = 2042922228667 is a prime.

It is a super-2 number, since 2×72411666406331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72411666406331.

It is not an unprimeable number, because it can be changed into a prime (72411666406381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77197938131 + ... + 77197939068.

It is an arithmetic number, because the mean of its divisors is an integer number (10498919649600).

Almost surely, 2^{72411666406331} is an apocalyptic number.

72411666406331 is a deficient number, since it is larger than the sum of its proper divisors (11579690790469).

72411666406331 is a wasteful number, since it uses less digits than its factorization.

72411666406331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154395877273.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 72411666406331 in words is "seventy-two trillion, four hundred eleven billion, six hundred sixty-six million, four hundred six thousand, three hundred thirty-one".