99662068544 has 14 divisors (see below), whose sum is σ = 197766917394. Its totient is φ = 49831034240.

The previous prime is 99662068543. The next prime is 99662068553. The reversal of 99662068544 is 44586026699.

It can be written as a sum of positive squares in only one way, i.e., 95921522944 + 3740545600 = 309712^2 + 61160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99662068543) 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 as a sum of consecutive naturals, namely, 778609847 + ... + 778609974.

Almost surely, 2^99662068544 is an apocalyptic number.

It is an amenable number.

99662068544 is a deficient number, since it is larger than the sum of its proper divisors (98104848850).

99662068544 is a wasteful number, since it uses less digits than its factorization.

99662068544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557219833 (or 1557219823 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 99662068544 in words is "ninety-nine billion, six hundred sixty-two million, sixty-eight thousand, five hundred forty-four".