99488199646 has 96 divisors (see below), whose sum is σ = 189130788000. Its totient is φ = 38930411520.

The previous prime is 99488199641. The next prime is 99488199667. The reversal of 99488199646 is 64699188499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99488199641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2244870 + ... + 2288758.

It is an arithmetic number, because the mean of its divisors is an integer number (1970112375).

Almost surely, 2^99488199646 is an apocalyptic number.

99488199646 is a deficient number, since it is larger than the sum of its proper divisors (89642588354).

99488199646 is a wasteful number, since it uses less digits than its factorization.

99488199646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43978 (or 43967 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 73.

The spelling of 99488199646 in words is "ninety-nine billion, four hundred eighty-eight million, one hundred ninety-nine thousand, six hundred forty-six".