99561614548 has 24 divisors (see below), whose sum is σ = 190084999104. Its totient is φ = 45252225600.

The previous prime is 99561614519. The next prime is 99561614557. The reversal of 99561614548 is 84541616599.

It is a junction number, because it is equal to n+sod(n) for n = 99561614492 and 99561614501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663736 + ... + 799792.

It is an arithmetic number, because the mean of its divisors is an integer number (7920208296).

Almost surely, 2^99561614548 is an apocalyptic number.

It is an amenable number.

99561614548 is a deficient number, since it is larger than the sum of its proper divisors (90523384556).

99561614548 is a wasteful number, since it uses less digits than its factorization.

99561614548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152703 (or 152701 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 58.

The spelling of 99561614548 in words is "ninety-nine billion, five hundred sixty-one million, six hundred fourteen thousand, five hundred forty-eight".