7164536644 has 48 divisors (see below), whose sum is σ = 13996523520. Its totient is φ = 3188989440.

The previous prime is 7164536609. The next prime is 7164536647. The reversal of 7164536644 is 4466354617.

It is a junction number, because it is equal to n+sod(n) for n = 7164536594 and 7164536603.

It is not an unprimeable number, because it can be changed into a prime (7164536647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870589 + ... + 878779.

It is an arithmetic number, because the mean of its divisors is an integer number (291594240).

Almost surely, 2^7164536644 is an apocalyptic number.

It is an amenable number.

7164536644 is a deficient number, since it is larger than the sum of its proper divisors (6831986876).

7164536644 is a wasteful number, since it uses less digits than its factorization.

7164536644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908 (or 8906 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The square root of 7164536644 is about 84643.5859590081. The cubic root of 7164536644 is about 1927.8032263179.

The spelling of 7164536644 in words is "seven billion, one hundred sixty-four million, five hundred thirty-six thousand, six hundred forty-four".