6666598495 has 8 divisors (see below), whose sum is σ = 8420966640. Its totient is φ = 5052579840.

The previous prime is 6666598447. The next prime is 6666598559. The reversal of 6666598495 is 5948956666.

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

It is not a de Polignac number, because 6666598495 - 2²¹ = 6664501343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35087266 + ... + 35087455.

It is an arithmetic number, because the mean of its divisors is an integer number (1052620830).

Almost surely, 2^6666598495 is an apocalyptic number.

6666598495 is a deficient number, since it is larger than the sum of its proper divisors (1754368145).

6666598495 is a wasteful number, since it uses less digits than its factorization.

6666598495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70174745.

The product of its digits is 83980800, while the sum is 64.

The square root of 6666598495 is about 81649.2406272098. The cubic root of 6666598495 is about 1882.0656425407.

The spelling of 6666598495 in words is "six billion, six hundred sixty-six million, five hundred ninety-eight thousand, four hundred ninety-five".