5517691667 has 4 divisors (see below), whose sum is σ = 5526273480. Its totient is φ = 5509109856.

The previous prime is 5517691633. The next prime is 5517691687. The reversal of 5517691667 is 7661967155.

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

It is a cyclic number.

It is not a de Polignac number, because 5517691667 - 2⁶ = 5517691603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5517691687) 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, 4289942 + ... + 4291227.

It is an arithmetic number, because the mean of its divisors is an integer number (1381568370).

Almost surely, 2^5517691667 is an apocalyptic number.

5517691667 is a deficient number, since it is larger than the sum of its proper divisors (8581813).

5517691667 is an equidigital number, since it uses as much as digits as its factorization.

5517691667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581812.

The product of its digits is 2381400, while the sum is 53.

The square root of 5517691667 is about 74281.1663007522. The cubic root of 5517691667 is about 1767.0648009350.

The spelling of 5517691667 in words is "five billion, five hundred seventeen million, six hundred ninety-one thousand, six hundred sixty-seven".