73261831638206 has 16 divisors (see below), whose sum is σ = 110162569212000. Its totient is φ = 36540977081088.

The previous prime is 73261831638197. The next prime is 73261831638211. The reversal of 73261831638206 is 60283613816237.

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 7 ways as a sum of consecutive naturals, for example, 89723270 + ... + 90536118.

It is an arithmetic number, because the mean of its divisors is an integer number (6885160575750).

Almost surely, 2^{73261831638206} is an apocalyptic number.

73261831638206 is a deficient number, since it is larger than the sum of its proper divisors (36900737573794).

73261831638206 is a wasteful number, since it uses less digits than its factorization.

73261831638206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923443.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 73261831638206 in words is "seventy-three trillion, two hundred sixty-one billion, eight hundred thirty-one million, six hundred thirty-eight thousand, two hundred six".