67486986368 has 16 divisors (see below), whose sum is σ = 134446730910. Its totient is φ = 33743493120.

The previous prime is 67486986341. The next prime is 67486986383. The reversal of 67486986368 is 86368968476.

It can be written as a sum of positive squares in only one way, i.e., 64674593344 + 2812393024 = 254312^2 + 53032^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263620913 + ... + 263621168.

Almost surely, 2^67486986368 is an apocalyptic number.

It is an amenable number.

67486986368 is a deficient number, since it is larger than the sum of its proper divisors (66959744542).

67486986368 is an equidigital number, since it uses as much as digits as its factorization.

67486986368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527242095 (or 527242083 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 71.

The spelling of 67486986368 in words is "sixty-seven billion, four hundred eighty-six million, nine hundred eighty-six thousand, three hundred sixty-eight".