99610000555 has 16 divisors (see below), whose sum is σ = 129265395840. Its totient is φ = 73250368128.

The previous prime is 99610000543. The next prime is 99610000573. The reversal of 99610000555 is 55500001699.

It is a cyclic number.

It is not a de Polignac number, because 99610000555 - 2¹¹ = 99609998507 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 3190452 + ... + 3221521.

It is an arithmetic number, because the mean of its divisors is an integer number (8079087240).

Almost surely, 2^99610000555 is an apocalyptic number.

99610000555 is a deficient number, since it is larger than the sum of its proper divisors (29655395285).

99610000555 is a wasteful number, since it uses less digits than its factorization.

99610000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412230.

The product of its (nonzero) digits is 60750, while the sum is 40.

The spelling of 99610000555 in words is "ninety-nine billion, six hundred ten million, five hundred fifty-five", and thus it is an aban number.