67197849936 has 320 divisors, whose sum is σ = 214306283520. Its totient is φ = 17716285440.

The previous prime is 67197849919. The next prime is 67197849967. The reversal of 67197849936 is 63994879176.

67197849936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84313090 + ... + 84313886.

It is an arithmetic number, because the mean of its divisors is an integer number (669707136).

Almost surely, 2^67197849936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67197849936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107153141760).

67197849936 is an abundant number, since it is smaller than the sum of its proper divisors (147108433584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67197849936 is a wasteful number, since it uses less digits than its factorization.

67197849936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1156 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 69.

The spelling of 67197849936 in words is "sixty-seven billion, one hundred ninety-seven million, eight hundred forty-nine thousand, nine hundred thirty-six".