67166072373 has 8 divisors (see below), whose sum is σ = 90347283648. Its totient is φ = 44381121344.

The previous prime is 67166072371. The next prime is 67166072381. The reversal of 67166072373 is 37327066176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67166072373 - 2¹ = 67166072371 is a prime.

It is a super-2 number, since 2×67166072373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67166072371) 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, 99064665 + ... + 99065342.

It is an arithmetic number, because the mean of its divisors is an integer number (11293410456).

Almost surely, 2^67166072373 is an apocalyptic number.

It is an amenable number.

67166072373 is a deficient number, since it is larger than the sum of its proper divisors (23181211275).

67166072373 is a wasteful number, since it uses less digits than its factorization.

67166072373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198130123.

The product of its (nonzero) digits is 1333584, while the sum is 48.

The spelling of 67166072373 in words is "sixty-seven billion, one hundred sixty-six million, seventy-two thousand, three hundred seventy-three".