68661072514 has 8 divisors (see below), whose sum is σ = 103327087248. Its totient is φ = 34218710100.

The previous prime is 68661072451. The next prime is 68661072541. The reversal of 68661072514 is 41527016686.

68661072514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 55912312 + ... + 55913539.

It is an arithmetic number, because the mean of its divisors is an integer number (12915885906).

Almost surely, 2^68661072514 is an apocalyptic number.

68661072514 is a deficient number, since it is larger than the sum of its proper divisors (34666014734).

68661072514 is a wasteful number, since it uses less digits than its factorization.

68661072514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111826160.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 68661072514 in words is "sixty-eight billion, six hundred sixty-one million, seventy-two thousand, five hundred fourteen".