67153667768 has 32 divisors (see below), whose sum is σ = 138348000000. Its totient is φ = 30304788960.

The previous prime is 67153667753. The next prime is 67153667807. The reversal of 67153667768 is 86776635176.

It is a self number, because there is not a number n which added to its sum of digits gives 67153667768.

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, 2732768 + ... + 2757231.

It is an arithmetic number, because the mean of its divisors is an integer number (4323375000).

Almost surely, 2^67153667768 is an apocalyptic number.

It is an amenable number.

67153667768 is an abundant number, since it is smaller than the sum of its proper divisors (71194332232).

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

67153667768 is a wasteful number, since it uses less digits than its factorization.

67153667768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490155 (or 5490151 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 62.

The spelling of 67153667768 in words is "sixty-seven billion, one hundred fifty-three million, six hundred sixty-seven thousand, seven hundred sixty-eight".