6690367907 has 8 divisors (see below), whose sum is σ = 6714882720. Its totient is φ = 6665872960.

The previous prime is 6690367841. The next prime is 6690367919. The reversal of 6690367907 is 7097630966.

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 6690367907 - 2²⁰ = 6689319331 is a prime.

It is a super-2 number, since 2×6690367907² = 89522045462031121298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6690367927) 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, 1095719 + ... + 1101807.

It is an arithmetic number, because the mean of its divisors is an integer number (839360340).

Almost surely, 2^6690367907 is an apocalyptic number.

6690367907 is a deficient number, since it is larger than the sum of its proper divisors (24514813).

6690367907 is a wasteful number, since it uses less digits than its factorization.

6690367907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 6690367907 is about 81794.6691844890. The cubic root of 6690367907 is about 1884.2997919492.

The spelling of 6690367907 in words is "six billion, six hundred ninety million, three hundred sixty-seven thousand, nine hundred seven".