60668140807 has 4 divisors (see below), whose sum is σ = 61696414440. Its totient is φ = 59639867176.

The previous prime is 60668140763. The next prime is 60668140867. The reversal of 60668140807 is 70804186606.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70804186606 = 2 ⋅35402093303.

It is a cyclic number.

It is not a de Polignac number, because 60668140807 - 2³¹ = 58520657159 is a prime.

It is a super-2 number, since 2×60668140807² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60668140867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514136728 + ... + 514136845.

It is an arithmetic number, because the mean of its divisors is an integer number (15424103610).

Almost surely, 2^60668140807 is an apocalyptic number.

60668140807 is a deficient number, since it is larger than the sum of its proper divisors (1028273633).

60668140807 is a wasteful number, since it uses less digits than its factorization.

60668140807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028273632.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 60668140807 in words is "sixty billion, six hundred sixty-eight million, one hundred forty thousand, eight hundred seven".