67660609101 has 4 divisors (see below), whose sum is σ = 90214145472. Its totient is φ = 45107072732.

The previous prime is 67660609073. The next prime is 67660609103. The reversal of 67660609101 is 10190606676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67660609101 - 2²⁵ = 67627054669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67660609103) 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, 11276768181 + ... + 11276768186.

It is an arithmetic number, because the mean of its divisors is an integer number (22553536368).

Almost surely, 2^67660609101 is an apocalyptic number.

It is an amenable number.

67660609101 is a deficient number, since it is larger than the sum of its proper divisors (22553536371).

67660609101 is a wasteful number, since it uses less digits than its factorization.

67660609101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22553536370.

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 67660609101 in words is "sixty-seven billion, six hundred sixty million, six hundred nine thousand, one hundred one".