73016686656 has 231 divisors, whose sum is σ = 218912332431. Its totient is φ = 24163795584.

The previous prime is 73016686579. The next prime is 73016686669. The reversal of 73016686656 is 65668661037.

The square root of 73016686656 is 270216.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 525299835 + ... + 525299973.

Almost surely, 2^73016686656 is an apocalyptic number.

73016686656 is the 270216-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73016686656

73016686656 is an abundant number, since it is smaller than the sum of its proper divisors (145895645775).

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

73016686656 is an frugal number, since it uses more digits than its factorization.

73016686656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 73016686656 in words is "seventy-three billion, sixteen million, six hundred eighty-six thousand, six hundred fifty-six".