5661611167 has 8 divisors (see below), whose sum is σ = 5996700000. Its totient is φ = 5326750464.

The previous prime is 5661611147. The next prime is 5661611231. The reversal of 5661611167 is 7611161665.

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 5661611167 - 2¹⁵ = 5661578399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661611107) 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, 4542 + ... + 106507.

It is an arithmetic number, because the mean of its divisors is an integer number (749587500).

Almost surely, 2^5661611167 is an apocalyptic number.

5661611167 is a deficient number, since it is larger than the sum of its proper divisors (335088833).

5661611167 is a wasteful number, since it uses less digits than its factorization.

5661611167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114065.

The product of its digits is 45360, while the sum is 40.

The square root of 5661611167 is about 75243.6785849815. The cubic root of 5661611167 is about 1782.2967413913.

The spelling of 5661611167 in words is "five billion, six hundred sixty-one million, six hundred eleven thousand, one hundred sixty-seven".