68416551707 has 16 divisors (see below), whose sum is σ = 78461758464. Its totient is φ = 58439556000.

The previous prime is 68416551691. The next prime is 68416551719. The reversal of 68416551707 is 70715561486.

It is a happy number.

It is not a de Polignac number, because 68416551707 - 2⁴ = 68416551691 is a prime.

It is a super-2 number, since 2×68416551707² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68416551737) 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, 2375282 + ... + 2403912.

It is an arithmetic number, because the mean of its divisors is an integer number (4903859904).

Almost surely, 2^68416551707 is an apocalyptic number.

68416551707 is a deficient number, since it is larger than the sum of its proper divisors (10045206757).

68416551707 is a wasteful number, since it uses less digits than its factorization.

68416551707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29810.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 68416551707 in words is "sixty-eight billion, four hundred sixteen million, five hundred fifty-one thousand, seven hundred seven".