68541258061 has 8 divisors (see below), whose sum is σ = 68715299520. Its totient is φ = 68367354048.

The previous prime is 68541257977. The next prime is 68541258113. The reversal of 68541258061 is 16085214586.

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

It is a cyclic number.

It is not a de Polignac number, because 68541258061 - 2³³ = 59951323469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68541258661) 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, 1003770 + ... + 1069876.

It is an arithmetic number, because the mean of its divisors is an integer number (8589412440).

Almost surely, 2^68541258061 is an apocalyptic number.

It is an amenable number.

68541258061 is a deficient number, since it is larger than the sum of its proper divisors (174041459).

68541258061 is a wasteful number, since it uses less digits than its factorization.

68541258061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68723.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 68541258061 in words is "sixty-eight billion, five hundred forty-one million, two hundred fifty-eight thousand, sixty-one".