6654161 has 4 divisors (see below), whose sum is σ = 7004400. Its totient is φ = 6303924.

The previous prime is 6654143. The next prime is 6654173. The reversal of 6654161 is 1614566.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6654161 - 2²² = 2459857 is a prime.

It is a super-2 number, since 2×6654161² = 88555717227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6654761) 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, 175091 + ... + 175128.

It is an arithmetic number, because the mean of its divisors is an integer number (1751100).

Almost surely, 2^6654161 is an apocalyptic number.

It is an amenable number.

6654161 is a deficient number, since it is larger than the sum of its proper divisors (350239).

6654161 is a wasteful number, since it uses less digits than its factorization.

6654161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350238.

The product of its digits is 4320, while the sum is 29.

The square root of 6654161 is about 2579.5660487764. The cubic root of 6654161 is about 188.0894492853.

The spelling of 6654161 in words is "six million, six hundred fifty-four thousand, one hundred sixty-one".