68971051642 has 16 divisors (see below), whose sum is σ = 104285678112. Its totient is φ = 34210224720.

The previous prime is 68971051619. The next prime is 68971051687. The reversal of 68971051642 is 24615017986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136633 + ... + 395740.

It is an arithmetic number, because the mean of its divisors is an integer number (6517854882).

Almost surely, 2^68971051642 is an apocalyptic number.

68971051642 is a deficient number, since it is larger than the sum of its proper divisors (35314626470).

68971051642 is a wasteful number, since it uses less digits than its factorization.

68971051642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532893.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 68971051642 in words is "sixty-eight billion, nine hundred seventy-one million, fifty-one thousand, six hundred forty-two".