68669157376 has 52 divisors (see below), whose sum is σ = 138197503552. Its totient is φ = 34115567616.

The previous prime is 68669157341. The next prime is 68669157409. The reversal of 68669157376 is 67375196686.

It is a Cunningham number, because it is equal to 4095³+1.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589681 + ... + 696463.

Almost surely, 2^68669157376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68669157376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69098751776).

68669157376 is an abundant number, since it is smaller than the sum of its proper divisors (69528346176).

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

68669157376 is a wasteful number, since it uses less digits than its factorization.

68669157376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106964 (or 106942 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 64.

The spelling of 68669157376 in words is "sixty-eight billion, six hundred sixty-nine million, one hundred fifty-seven thousand, three hundred seventy-six".