68682663051 has 8 divisors (see below), whose sum is σ = 91579547280. Its totient is φ = 45787110432.

The previous prime is 68682663041. The next prime is 68682663061. The reversal of 68682663051 is 15036628686.

It is an interprime number because it is at equal distance from previous prime (68682663041) and next prime (68682663061).

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

It is a de Polignac number, because none of the positive numbers 2^k-68682663051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68682662985 and 68682663003.

It is not an unprimeable number, because it can be changed into a prime (68682663041) 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, 205596 + ... + 423833.

It is an arithmetic number, because the mean of its divisors is an integer number (11447443410).

Almost surely, 2^68682663051 is an apocalyptic number.

68682663051 is a deficient number, since it is larger than the sum of its proper divisors (22896884229).

68682663051 is a wasteful number, since it uses less digits than its factorization.

68682663051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665805.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 68682663051 in words is "sixty-eight billion, six hundred eighty-two million, six hundred sixty-three thousand, fifty-one".