60668287667 has 4 divisors (see below), whose sum is σ = 65335079040. Its totient is φ = 56001496296.

The previous prime is 60668287637. The next prime is 60668287679. The reversal of 60668287667 is 76678286606.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60668287667 - 2²² = 60664093363 is a prime.

It is a super-2 number, since 2×60668287667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60668287637) 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, 2333395667 + ... + 2333395692.

It is an arithmetic number, because the mean of its divisors is an integer number (16333769760).

Almost surely, 2^60668287667 is an apocalyptic number.

60668287667 is a deficient number, since it is larger than the sum of its proper divisors (4666791373).

60668287667 is a wasteful number, since it uses less digits than its factorization.

60668287667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666791372.

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 60668287667 in words is "sixty billion, six hundred sixty-eight million, two hundred eighty-seven thousand, six hundred sixty-seven".