67228900564 has 48 divisors (see below), whose sum is σ = 136777495680. Its totient is φ = 28316108160.

The previous prime is 67228900559. The next prime is 67228900577. The reversal of 67228900564 is 46500982276.

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, 2083119 + ... + 2115145.

It is an arithmetic number, because the mean of its divisors is an integer number (2849531160).

Almost surely, 2^67228900564 is an apocalyptic number.

It is an amenable number.

67228900564 is an abundant number, since it is smaller than the sum of its proper divisors (69548595116).

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

67228900564 is a wasteful number, since it uses less digits than its factorization.

67228900564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33328 (or 33326 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 67228900564 in words is "sixty-seven billion, two hundred twenty-eight million, nine hundred thousand, five hundred sixty-four".