98668432540 has 12 divisors (see below), whose sum is σ = 207203708376. Its totient is φ = 39467373008.

The previous prime is 98668432537. The next prime is 98668432571. The reversal of 98668432540 is 4523486689.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466710794 + ... + 2466710833.

It is an arithmetic number, because the mean of its divisors is an integer number (17266975698).

Almost surely, 2^98668432540 is an apocalyptic number.

It is an amenable number.

98668432540 is an abundant number, since it is smaller than the sum of its proper divisors (108535275836).

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

98668432540 is a wasteful number, since it uses less digits than its factorization.

98668432540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933421636 (or 4933421634 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 98668432540 in words is "ninety-eight billion, six hundred sixty-eight million, four hundred thirty-two thousand, five hundred forty".