73646312420016 has 120 divisors (see below), whose sum is σ = 235590888534560. Its totient is φ = 21038267179008.

The previous prime is 73646312419969. The next prime is 73646312420027. The reversal of 73646312420016 is 61002421364637.

73646312420016 is a `hidden beast` number, since 7 + 3 + 6 + 4 + 631 + 2 + 4 + 2 + 0 + 0 + 1 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 135931 + ... + 12137178.

Almost surely, 2^{73646312420016} is an apocalyptic number.

It is an amenable number.

73646312420016 is an abundant number, since it is smaller than the sum of its proper divisors (161944576114544).

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

73646312420016 is a wasteful number, since it uses less digits than its factorization.

73646312420016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279083 (or 12279074 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 73646312420016 in words is "seventy-three trillion, six hundred forty-six billion, three hundred twelve million, four hundred twenty thousand, sixteen".