73081648416 has 48 divisors (see below), whose sum is σ = 219244947264. Its totient is φ = 20880470784.

The previous prime is 73081648411. The next prime is 73081648441. The reversal of 73081648416 is 61484618037.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (73081648411) 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, 54375555 + ... + 54376898.

It is an arithmetic number, because the mean of its divisors is an integer number (4567603068).

Almost surely, 2^73081648416 is an apocalyptic number.

It is an amenable number.

73081648416 is an abundant number, since it is smaller than the sum of its proper divisors (146163298848).

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

73081648416 is a wasteful number, since it uses less digits than its factorization.

73081648416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108752473 (or 108752465 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 73081648416 in words is "seventy-three billion, eighty-one million, six hundred forty-eight thousand, four hundred sixteen".