73666633563010 has 16 divisors (see below), whose sum is σ = 133816453630200. Its totient is φ = 29196317154816.

The previous prime is 73666633563007. The next prime is 73666633563011. The reversal of 73666633563010 is 1036533666637.

It is a happy number.

73666633563010 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70195525488729 + 3471108074281 = 8378277^2 + 1863091^2 .

It is not an unprimeable number, because it can be changed into a prime (73666633563011) 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, 33792032655 + ... + 33792034834.

Almost surely, 2^{73666633563010} is an apocalyptic number.

73666633563010 is a deficient number, since it is larger than the sum of its proper divisors (60149820067190).

73666633563010 is a wasteful number, since it uses less digits than its factorization.

73666633563010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67584067605.

The product of its (nonzero) digits is 22044960, while the sum is 55.

The spelling of 73666633563010 in words is "seventy-three trillion, six hundred sixty-six billion, six hundred thirty-three million, five hundred sixty-three thousand, ten".