73561243069016 has 64 divisors (see below), whose sum is σ = 143673062280000. Its totient is φ = 35280048545280.

The previous prime is 73561243069009. The next prime is 73561243069021. The reversal of 73561243069016 is 61096034216537.

It is a super-2 number, since 2×73561243069016² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691946 + ... + 12149126.

It is an arithmetic number, because the mean of its divisors is an integer number (2244891598125).

Almost surely, 2^{73561243069016} is an apocalyptic number.

It is an amenable number.

73561243069016 is a deficient number, since it is larger than the sum of its proper divisors (70111819210984).

73561243069016 is a wasteful number, since it uses less digits than its factorization.

73561243069016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11457532 (or 11457528 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 73561243069016 in words is "seventy-three trillion, five hundred sixty-one billion, two hundred forty-three million, sixty-nine thousand, sixteen".