7051664 has 20 divisors (see below), whose sum is σ = 13766604. Its totient is φ = 3499008.

The previous prime is 7051643. The next prime is 7051673. The reversal of 7051664 is 4661507.

It can be written as a sum of positive squares in 2 ways, for example, as 5382400 + 1669264 = 2320^2 + 1292^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 584 + ... + 3800.

Almost surely, 2^7051664 is an apocalyptic number.

It is an amenable number.

7051664 is a deficient number, since it is larger than the sum of its proper divisors (6714940).

7051664 is a wasteful number, since it uses less digits than its factorization.

7051664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7051664 is about 2655.4969403108. The cubic root of 7051664 is about 191.7625827004.

It can be divided in two parts, 7051 and 664, that multiplied together give a palindrome (4681864).

The spelling of 7051664 in words is "seven million, fifty-one thousand, six hundred sixty-four".