6601706667 has 6 divisors (see below), whose sum is σ = 9535798532. Its totient is φ = 4401137772.

The previous prime is 6601706663. The next prime is 6601706681. The reversal of 6601706667 is 7666071066.

It is not a de Polignac number, because 6601706667 - 2² = 6601706663 is a prime.

It is a super-2 number, since 2×6601706667² = 87165061834224497778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6601706663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366761473 + ... + 366761490.

Almost surely, 2^6601706667 is an apocalyptic number.

6601706667 is a deficient number, since it is larger than the sum of its proper divisors (2934091865).

6601706667 is a wasteful number, since it uses less digits than its factorization.

6601706667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733522969 (or 733522966 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 6601706667 is about 81250.8871766949. The cubic root of 6601706667 is about 1875.9391246388.

The spelling of 6601706667 in words is "six billion, six hundred one million, seven hundred six thousand, six hundred sixty-seven".