67466995640 has 64 divisors (see below), whose sum is σ = 166288209120. Its totient is φ = 24431616000.

The previous prime is 67466995613. The next prime is 67466995643. The reversal of 67466995640 is 4659966476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67466995643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212081 + ... + 424160.

Almost surely, 2^67466995640 is an apocalyptic number.

It is an amenable number.

67466995640 is an abundant number, since it is smaller than the sum of its proper divisors (98821213480).

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

67466995640 is a wasteful number, since it uses less digits than its factorization.

67466995640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636504 (or 636500 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 67466995640 in words is "sixty-seven billion, four hundred sixty-six million, nine hundred ninety-five thousand, six hundred forty".