6629161 has 20 divisors (see below), whose sum is σ = 8470224. Its totient is φ = 5145000.

The previous prime is 6629149. The next prime is 6629173. The reversal of 6629161 is 1619266.

It is an interprime number because it is at equal distance from previous prime (6629149) and next prime (6629173).

It is not a de Polignac number, because 6629161 - 2⁷ = 6629033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6629101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26286 + ... + 26536.

Almost surely, 2^6629161 is an apocalyptic number.

It is an amenable number.

6629161 is a deficient number, since it is larger than the sum of its proper divisors (1841063).

6629161 is an equidigital number, since it uses as much as digits as its factorization.

6629161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 269 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 6629161 is about 2574.7157124623. The cubic root of 6629161 is about 187.8535999976.

The spelling of 6629161 in words is "six million, six hundred twenty-nine thousand, one hundred sixty-one".