7366564644 has 48 divisors (see below), whose sum is σ = 18231909696. Its totient is φ = 2306995200.

The previous prime is 7366564631. The next prime is 7366564649. The reversal of 7366564644 is 4464656637.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (7366564649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84864 + ... + 148104.

It is an arithmetic number, because the mean of its divisors is an integer number (379831452).

Almost surely, 2^7366564644 is an apocalyptic number.

It is an amenable number.

7366564644 is an abundant number, since it is smaller than the sum of its proper divisors (10865345052).

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

7366564644 is a wasteful number, since it uses less digits than its factorization.

7366564644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63836 (or 63834 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 51.

The square root of 7366564644 is about 85828.6935936928. The cubic root of 7366564644 is about 1945.7558048015.

The spelling of 7366564644 in words is "seven billion, three hundred sixty-six million, five hundred sixty-four thousand, six hundred forty-four".