67221115606 has 8 divisors (see below), whose sum is σ = 100846885680. Its totient is φ = 33605487048.

The previous prime is 67221115567. The next prime is 67221115681. The reversal of 67221115606 is 60651112276.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518786 + ... + 2545333.

It is an arithmetic number, because the mean of its divisors is an integer number (12605860710).

Almost surely, 2^67221115606 is an apocalyptic number.

67221115606 is a deficient number, since it is larger than the sum of its proper divisors (33625770074).

67221115606 is a wasteful number, since it uses less digits than its factorization.

67221115606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070758.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 67221115606 in words is "sixty-seven billion, two hundred twenty-one million, one hundred fifteen thousand, six hundred six".