68101730541 has 24 divisors (see below), whose sum is σ = 105945473816. Its totient is φ = 41905019520.

The previous prime is 68101730537. The next prime is 68101730563. The reversal of 68101730541 is 14503710186.

68101730541 is a `hidden beast` number, since 6 + 8 + 101 + 7 + 3 + 0 + 541 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14159810025 + 53941920516 = 118995^2 + 232254^2 .

It is not a de Polignac number, because 68101730541 - 2² = 68101730537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68101730496 and 68101730505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68101730591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1898811 + ... + 1934343.

Almost surely, 2^68101730541 is an apocalyptic number.

It is an amenable number.

68101730541 is a deficient number, since it is larger than the sum of its proper divisors (37843743275).

68101730541 is a wasteful number, since it uses less digits than its factorization.

68101730541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51933 (or 51930 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 68101730541 in words is "sixty-eight billion, one hundred one million, seven hundred thirty thousand, five hundred forty-one".