73838617332816 has 80 divisors (see below), whose sum is σ = 218028992537088. Its totient is φ = 21093915696000.

The previous prime is 73838617332811. The next prime is 73838617332829. The reversal of 73838617332816 is 61823371683837.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73838617332811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12243330 + ... + 17250401.

Almost surely, 2^{73838617332816} is an apocalyptic number.

It is an amenable number.

73838617332816 is an abundant number, since it is smaller than the sum of its proper divisors (144190375204272).

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

73838617332816 is a wasteful number, since it uses less digits than its factorization.

73838617332816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29501200 (or 29501194 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 66.

The spelling of 73838617332816 in words is "seventy-three trillion, eight hundred thirty-eight billion, six hundred seventeen million, three hundred thirty-two thousand, eight hundred sixteen".