7550711664 has 80 divisors (see below), whose sum is σ = 20202040320. Its totient is φ = 2427632640.

The previous prime is 7550711647. The next prime is 7550711683. The reversal of 7550711664 is 4661170557.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 448552 + ... + 465080.

It is an arithmetic number, because the mean of its divisors is an integer number (252525504).

Almost surely, 2^7550711664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7550711664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10101020160).

7550711664 is an abundant number, since it is smaller than the sum of its proper divisors (12651328656).

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

7550711664 is a wasteful number, since it uses less digits than its factorization.

7550711664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16878 (or 16872 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 7550711664 is about 86894.8310545570. The cubic root of 7550711664 is about 1961.8356799126.

The spelling of 7550711664 in words is "seven billion, five hundred fifty million, seven hundred eleven thousand, six hundred sixty-four".