68120350761 has 16 divisors (see below), whose sum is σ = 97411429440. Its totient is φ = 42211615680.

The previous prime is 68120350747. The next prime is 68120350783. The reversal of 68120350761 is 16705302186.

It is not a de Polignac number, because 68120350761 - 2¹⁴ = 68120334377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68120350861) 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, 11271450 + ... + 11277491.

It is an arithmetic number, because the mean of its divisors is an integer number (6088214340).

Almost surely, 2^68120350761 is an apocalyptic number.

It is an amenable number.

68120350761 is a deficient number, since it is larger than the sum of its proper divisors (29291078679).

68120350761 is a wasteful number, since it uses less digits than its factorization.

68120350761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22549016.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 68120350761 in words is "sixty-eight billion, one hundred twenty million, three hundred fifty thousand, seven hundred sixty-one".