72366076616 has 16 divisors (see below), whose sum is σ = 138246515100. Its totient is φ = 35500339264.

The previous prime is 72366076613. The next prime is 72366076631. The reversal of 72366076616 is 61667066327.

It can be written as a sum of positive squares in 2 ways, for example, as 71486716900 + 879359716 = 267370^2 + 29654^2 .

It is a super-2 number, since 2×72366076616² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72366076613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85336931 + ... + 85337778.

Almost surely, 2^72366076616 is an apocalyptic number.

It is an amenable number.

72366076616 is a deficient number, since it is larger than the sum of its proper divisors (65880438484).

72366076616 is a wasteful number, since it uses less digits than its factorization.

72366076616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170674768 (or 170674764 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 72366076616 in words is "seventy-two billion, three hundred sixty-six million, seventy-six thousand, six hundred sixteen".