5691407667 has 12 divisors (see below), whose sum is σ = 8341126920. Its totient is φ = 3449337760.

The previous prime is 5691407663. The next prime is 5691407693. The reversal of 5691407667 is 7667041965.

It is a happy number.

It is not a de Polignac number, because 5691407667 - 2² = 5691407663 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5691407663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7839042 + ... + 7839767.

It is an arithmetic number, because the mean of its divisors is an integer number (695093910).

Almost surely, 2^5691407667 is an apocalyptic number.

5691407667 is a deficient number, since it is larger than the sum of its proper divisors (2649719253).

5691407667 is a wasteful number, since it uses less digits than its factorization.

5691407667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15678834 (or 15678823 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 5691407667 is about 75441.4187764255. The cubic root of 5691407667 is about 1785.4179560950.

The spelling of 5691407667 in words is "five billion, six hundred ninety-one million, four hundred seven thousand, six hundred sixty-seven".