68662922590 has 8 divisors (see below), whose sum is σ = 123593260680. Its totient is φ = 27465169032.

The previous prime is 68662922569. The next prime is 68662922611. The reversal of 68662922590 is 9522926686.

It is an interprime number because it is at equal distance from previous prime (68662922569) and next prime (68662922611).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433146120 + ... + 3433146139.

It is an arithmetic number, because the mean of its divisors is an integer number (15449157585).

Almost surely, 2^68662922590 is an apocalyptic number.

68662922590 is a deficient number, since it is larger than the sum of its proper divisors (54930338090).

68662922590 is a wasteful number, since it uses less digits than its factorization.

68662922590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866292266.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 68662922590 in words is "sixty-eight billion, six hundred sixty-two million, nine hundred twenty-two thousand, five hundred ninety".