2086661502007 has 8 divisors (see below), whose sum is σ = 2143489233200. Its totient is φ = 2029856480064.

The previous prime is 2086661501987. The next prime is 2086661502019. The reversal of 2086661502007 is 7002051666802.

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

It is a cyclic number.

It is not a de Polignac number, because 2086661502007 - 2¹⁹ = 2086660977719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086661502047) 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, 5490957 + ... + 5858662.

It is an arithmetic number, because the mean of its divisors is an integer number (267936154150).

Almost surely, 2^{2086661502007} is an apocalyptic number.

2086661502007 is a deficient number, since it is larger than the sum of its proper divisors (56827731193).

2086661502007 is a wasteful number, since it uses less digits than its factorization.

2086661502007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354625.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 2086661502007 in words is "two trillion, eighty-six billion, six hundred sixty-one million, five hundred two thousand, seven".