67312554355716 has 48 divisors (see below), whose sum is σ = 159115543776000. Its totient is φ = 22145905879552.

The previous prime is 67312554355597. The next prime is 67312554355729. The reversal of 67312554355716 is 61755345521376.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 67312554355716.

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, 103526391 + ... + 104174558.

It is an arithmetic number, because the mean of its divisors is an integer number (3314907162000).

Almost surely, 2^{67312554355716} is an apocalyptic number.

It is an amenable number.

67312554355716 is an abundant number, since it is smaller than the sum of its proper divisors (91802989420284).

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

67312554355716 is a wasteful number, since it uses less digits than its factorization.

67312554355716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207701308 (or 207701306 counting only the distinct ones).

The product of its digits is 79380000, while the sum is 60.

The spelling of 67312554355716 in words is "sixty-seven trillion, three hundred twelve billion, five hundred fifty-four million, three hundred fifty-five thousand, seven hundred sixteen".