90535368187648 has 18 divisors (see below), whose sum is σ = 180717082593824. Its totient is φ = 45267684093696.

The previous prime is 90535368187603. The next prime is 90535368187651. The reversal of 90535368187648 is 84678186353509.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176826890736 + ... + 176826891247.

Almost surely, 2^{90535368187648} is an apocalyptic number.

It is an amenable number.

90535368187648 is a deficient number, since it is larger than the sum of its proper divisors (90181714406176).

90535368187648 is an equidigital number, since it uses as much as digits as its factorization.

90535368187648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353653781999 (or 353653781985 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 73.

The spelling of 90535368187648 in words is "ninety trillion, five hundred thirty-five billion, three hundred sixty-eight million, one hundred eighty-seven thousand, six hundred forty-eight".