68151554347 has 16 divisors (see below), whose sum is σ = 74543134720. Its totient is φ = 62068032000.

The previous prime is 68151554327. The next prime is 68151554407. The reversal of 68151554347 is 74345515186.

It is a cyclic number.

It is not a de Polignac number, because 68151554347 - 2¹⁵ = 68151521579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68151554347.

It is not an unprimeable number, because it can be changed into a prime (68151554327) 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, 294198 + ... + 472075.

It is an arithmetic number, because the mean of its divisors is an integer number (4658945920).

Almost surely, 2^68151554347 is an apocalyptic number.

68151554347 is a deficient number, since it is larger than the sum of its proper divisors (6391580373).

68151554347 is a wasteful number, since it uses less digits than its factorization.

68151554347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766474.

The product of its digits is 2016000, while the sum is 49.

The spelling of 68151554347 in words is "sixty-eight billion, one hundred fifty-one million, five hundred fifty-four thousand, three hundred forty-seven".