6667036697 has 4 divisors (see below), whose sum is σ = 6847226916. Its totient is φ = 6486846480.

The previous prime is 6667036679. The next prime is 6667036699. The reversal of 6667036697 is 7966307666.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5586665536 + 1080371161 = 74744^2 + 32869^2 .

It is a cyclic number.

It is not a de Polignac number, because 6667036697 - 2²² = 6662842393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6667036699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90095054 + ... + 90095127.

It is an arithmetic number, because the mean of its divisors is an integer number (1711806729).

Almost surely, 2^6667036697 is an apocalyptic number.

It is an amenable number.

6667036697 is a deficient number, since it is larger than the sum of its proper divisors (180190219).

6667036697 is a wasteful number, since it uses less digits than its factorization.

6667036697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180190218.

The product of its (nonzero) digits is 10287648, while the sum is 56.

The square root of 6667036697 is about 81651.9240250957. The cubic root of 6667036697 is about 1882.1068783054.

The spelling of 6667036697 in words is "six billion, six hundred sixty-seven million, thirty-six thousand, six hundred ninety-seven".