67399371616 has 12 divisors (see below), whose sum is σ = 132692512932. Its totient is φ = 33699685792.

The previous prime is 67399371607. The next prime is 67399371647. The reversal of 67399371616 is 61617399376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053115150 + ... + 1053115213.

It is an arithmetic number, because the mean of its divisors is an integer number (11057709411).

Almost surely, 2^67399371616 is an apocalyptic number.

It is an amenable number.

67399371616 is a deficient number, since it is larger than the sum of its proper divisors (65293141316).

67399371616 is a wasteful number, since it uses less digits than its factorization.

67399371616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106230373 (or 2106230365 counting only the distinct ones).

The product of its digits is 7715736, while the sum is 58.

The spelling of 67399371616 in words is "sixty-seven billion, three hundred ninety-nine million, three hundred seventy-one thousand, six hundred sixteen".