67271169212 has 48 divisors (see below), whose sum is σ = 133529098752. Its totient is φ = 29420698560.

The previous prime is 67271169187. The next prime is 67271169223. The reversal of 67271169212 is 21296117276.

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, 134864 + ... + 390807.

It is an arithmetic number, because the mean of its divisors is an integer number (2781856224).

Almost surely, 2^67271169212 is an apocalyptic number.

It is an amenable number.

67271169212 is a deficient number, since it is larger than the sum of its proper divisors (66257929540).

67271169212 is a wasteful number, since it uses less digits than its factorization.

67271169212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525818 (or 525816 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The spelling of 67271169212 in words is "sixty-seven billion, two hundred seventy-one million, one hundred sixty-nine thousand, two hundred twelve".