67553321376 has 48 divisors (see below), whose sum is σ = 179974164384. Its totient is φ = 22181685504.

The previous prime is 67553321371. The next prime is 67553321377. The reversal of 67553321376 is 67312335576.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (67553321371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5244915 + ... + 5257778.

It is an arithmetic number, because the mean of its divisors is an integer number (3749461758).

Almost surely, 2^67553321376 is an apocalyptic number.

It is an amenable number.

67553321376 is an abundant number, since it is smaller than the sum of its proper divisors (112420843008).

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

67553321376 is a wasteful number, since it uses less digits than its factorization.

67553321376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502773 (or 10502765 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 48.

The spelling of 67553321376 in words is "sixty-seven billion, five hundred fifty-three million, three hundred twenty-one thousand, three hundred seventy-six".