2215506606667 has 8 divisors (see below), whose sum is σ = 2217502542816. Its totient is φ = 2213510974272.

The previous prime is 2215506606611. The next prime is 2215506606679. The reversal of 2215506606667 is 7666066055122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215506606667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215506636667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16046733 + ... + 16184209.

It is an arithmetic number, because the mean of its divisors is an integer number (277187817852).

Almost surely, 2^{2215506606667} is an apocalyptic number.

2215506606667 is a deficient number, since it is larger than the sum of its proper divisors (1995936149).

2215506606667 is a wasteful number, since it uses less digits than its factorization.

2215506606667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151877.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 2215506606667 in words is "two trillion, two hundred fifteen billion, five hundred six million, six hundred six thousand, six hundred sixty-seven".