67006136436 has 48 divisors (see below), whose sum is σ = 157509999360. Its totient is φ = 22169946240.

The previous prime is 67006136399. The next prime is 67006136447. The reversal of 67006136436 is 63463160076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836490 + ... + 913086.

It is an arithmetic number, because the mean of its divisors is an integer number (3281458320).

Almost surely, 2^67006136436 is an apocalyptic number.

It is an amenable number.

67006136436 is an abundant number, since it is smaller than the sum of its proper divisors (90503862924).

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

67006136436 is a wasteful number, since it uses less digits than its factorization.

67006136436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77144 (or 77142 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 67006136436 in words is "sixty-seven billion, six million, one hundred thirty-six thousand, four hundred thirty-six".