67550657660 has 24 divisors (see below), whose sum is σ = 141866311776. Its totient is φ = 27018371520.

The previous prime is 67550657653. The next prime is 67550657689. The reversal of 67550657660 is 6675605576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194834 + ... + 416006.

It is an arithmetic number, because the mean of its divisors is an integer number (5911096324).

Almost surely, 2^67550657660 is an apocalyptic number.

It is an amenable number.

67550657660 is an abundant number, since it is smaller than the sum of its proper divisors (74315654116).

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

67550657660 is a wasteful number, since it uses less digits than its factorization.

67550657660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236453 (or 236451 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 67550657660 in words is "sixty-seven billion, five hundred fifty million, six hundred fifty-seven thousand, six hundred sixty".