6610440166 has 32 divisors (see below), whose sum is σ = 11295438336. Its totient is φ = 2872056000.

The previous prime is 6610440101. The next prime is 6610440227.

6610440166 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6610440166² = 87395838376532215112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867031 + ... + 874621.

It is an arithmetic number, because the mean of its divisors is an integer number (352982448).

Almost surely, 2^6610440166 is an apocalyptic number.

6610440166 is a deficient number, since it is larger than the sum of its proper divisors (4684998170).

6610440166 is a wasteful number, since it uses less digits than its factorization.

6610440166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6610440166 is about 81304.6134361390. The cubic root of 6610440166 is about 1876.7659963319.

The spelling of 6610440166 in words is "six billion, six hundred ten million, four hundred forty thousand, one hundred sixty-six".