68542791170 has 16 divisors (see below), whose sum is σ = 141002313408. Its totient is φ = 23500385520.

The previous prime is 68542791143. The next prime is 68542791179. The reversal of 68542791170 is 7119724586.

It is a happy number.

It is a super-2 number, since 2×68542791170² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68542791179) 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, 489591296 + ... + 489591435.

It is an arithmetic number, because the mean of its divisors is an integer number (8812644588).

Almost surely, 2^68542791170 is an apocalyptic number.

68542791170 is an abundant number, since it is smaller than the sum of its proper divisors (72459522238).

68542791170 is a wasteful number, since it uses less digits than its factorization.

68542791170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979182745.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 68542791170 in words is "sixty-eight billion, five hundred forty-two million, seven hundred ninety-one thousand, one hundred seventy".