99609958652 has 12 divisors (see below), whose sum is σ = 174690701640. Its totient is φ = 49698329616.

The previous prime is 99609958649. The next prime is 99609958673. The reversal of 99609958652 is 25685990699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26660327 + ... + 26664062.

It is an arithmetic number, because the mean of its divisors is an integer number (14557558470).

Almost surely, 2^99609958652 is an apocalyptic number.

It is an amenable number.

99609958652 is a deficient number, since it is larger than the sum of its proper divisors (75080742988).

99609958652 is a wasteful number, since it uses less digits than its factorization.

99609958652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53324860 (or 53324858 counting only the distinct ones).

The product of its (nonzero) digits is 94478400, while the sum is 68.

The spelling of 99609958652 in words is "ninety-nine billion, six hundred nine million, nine hundred fifty-eight thousand, six hundred fifty-two".