88716660644 has 6 divisors (see below), whose sum is σ = 155254156134. Its totient is φ = 44358330320.

The previous prime is 88716660629. The next prime is 88716660647. The reversal of 88716660644 is 44606661788.

It can be written as a sum of positive squares in only one way, i.e., 63372020644 + 25344640000 = 251738^2 + 159200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 88716660644.

It is not an unprimeable number, because it can be changed into a prime (88716660647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11089582577 + ... + 11089582584.

It is an arithmetic number, because the mean of its divisors is an integer number (25875692689).

Almost surely, 2^88716660644 is an apocalyptic number.

It is an amenable number.

88716660644 is a deficient number, since it is larger than the sum of its proper divisors (66537495490).

88716660644 is a wasteful number, since it uses less digits than its factorization.

88716660644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22179165165 (or 22179165163 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 88716660644 in words is "eighty-eight billion, seven hundred sixteen million, six hundred sixty thousand, six hundred forty-four".