7011664 has 20 divisors (see below), whose sum is σ = 14820480. Its totient is φ = 3187040.

The previous prime is 7011661. The next prime is 7011671. The reversal of 7011664 is 4661107.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7011661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19744 + ... + 20095.

It is an arithmetic number, because the mean of its divisors is an integer number (741024).

Almost surely, 2^7011664 is an apocalyptic number.

It is an amenable number.

7011664 is an abundant number, since it is smaller than the sum of its proper divisors (7808816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7011664 is a wasteful number, since it uses less digits than its factorization.

7011664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39858 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7011664 is about 2647.9546823917. The cubic root of 7011664 is about 191.3993089811.

The spelling of 7011664 in words is "seven million, eleven thousand, six hundred sixty-four".