2660144 has 10 divisors (see below), whose sum is σ = 5154060. Its totient is φ = 1330064.

The previous prime is 2660137. The next prime is 2660173. The reversal of 2660144 is 4410662.

It is a happy number.

It is a super-2 number, since 2×2660144² = 14152732201472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83114 + ... + 83145.

It is an arithmetic number, because the mean of its divisors is an integer number (515406).

2^2660144 is an apocalyptic number.

It is an amenable number.

2660144 is a deficient number, since it is larger than the sum of its proper divisors (2493916).

2660144 is a wasteful number, since it uses less digits than its factorization.

2660144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166267 (or 166261 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2660144 is about 1630.9947884650. The cubic root of 2660144 is about 138.5590984479.

The spelling of 2660144 in words is "two million, six hundred sixty thousand, one hundred forty-four".