2511664 has 10 divisors (see below), whose sum is σ = 4866380. Its totient is φ = 1255824.

The previous prime is 2511659. The next prime is 2511697. The reversal of 2511664 is 4661152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78474 + ... + 78505.

It is an arithmetic number, because the mean of its divisors is an integer number (486638).

2^2511664 is an apocalyptic number.

It is an amenable number.

2511664 is a deficient number, since it is larger than the sum of its proper divisors (2354716).

2511664 is a wasteful number, since it uses less digits than its factorization.

2511664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156987 (or 156981 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 2511664 is about 1584.8230185103. The cubic root of 2511664 is about 135.9316265309.

It can be divided in two parts, 25 and 11664, that multiplied together give a square (291600 = 540²).

The spelling of 2511664 in words is "two million, five hundred eleven thousand, six hundred sixty-four".