68065753261 has 8 divisors (see below), whose sum is σ = 76260402144. Its totient is φ = 60205579920.

The previous prime is 68065753253. The next prime is 68065753313. The reversal of 68065753261 is 16235756086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68065753261 - 2³ = 68065753253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68065750261) 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, 83618455 + ... + 83619268.

It is an arithmetic number, because the mean of its divisors is an integer number (9532550268).

Almost surely, 2^68065753261 is an apocalyptic number.

It is an amenable number.

68065753261 is a deficient number, since it is larger than the sum of its proper divisors (8194648883).

68065753261 is a wasteful number, since it uses less digits than its factorization.

68065753261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167237771.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 68065753261 in words is "sixty-eight billion, sixty-five million, seven hundred fifty-three thousand, two hundred sixty-one".