73916666648 has 64 divisors (see below), whose sum is σ = 155090103840. Its totient is φ = 32734720000.

The previous prime is 73916666597. The next prime is 73916666651. The reversal of 73916666648 is 84666661937.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2732228 + ... + 2759148.

Almost surely, 2^73916666648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73916666648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77545051920).

73916666648 is an abundant number, since it is smaller than the sum of its proper divisors (81173437192).

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

73916666648 is a wasteful number, since it uses less digits than its factorization.

73916666648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740 (or 27736 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 62.

The spelling of 73916666648 in words is "seventy-three billion, nine hundred sixteen million, six hundred sixty-six thousand, six hundred forty-eight".