72416246446660 has 12 divisors (see below), whose sum is σ = 152074117538028. Its totient is φ = 28966498578656.

The previous prime is 72416246446637. The next prime is 72416246446681. The reversal of 72416246446660 is 6664464261427.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57633574855684 + 14782671590976 = 7591678^2 + 3844824^2 .

It is a super-2 number, since 2×72416246446660² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72416246446595 and 72416246446604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810406161147 + ... + 1810406161186.

It is an arithmetic number, because the mean of its divisors is an integer number (12672843128169).

Almost surely, 2^{72416246446660} is an apocalyptic number.

It is an amenable number.

72416246446660 is an abundant number, since it is smaller than the sum of its proper divisors (79657871091368).

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

72416246446660 is a wasteful number, since it uses less digits than its factorization.

72416246446660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620812322342 (or 3620812322340 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 58.

The spelling of 72416246446660 in words is "seventy-two trillion, four hundred sixteen billion, two hundred forty-six million, four hundred forty-six thousand, six hundred sixty".