67172288990 has 16 divisors (see below), whose sum is σ = 124177961952. Its totient is φ = 26142728544.

The previous prime is 67172288957. The next prime is 67172289001. The reversal of 67172288990 is 9988227176.

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, 90772994 + ... + 90773733.

It is an arithmetic number, because the mean of its divisors is an integer number (7761122622).

Almost surely, 2^67172288990 is an apocalyptic number.

67172288990 is a deficient number, since it is larger than the sum of its proper divisors (57005672962).

67172288990 is a wasteful number, since it uses less digits than its factorization.

67172288990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181546771.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 67172288990 in words is "sixty-seven billion, one hundred seventy-two million, two hundred eighty-eight thousand, nine hundred ninety".