99001743668 has 12 divisors (see below), whose sum is σ = 173318276292. Its totient is φ = 49482236160.

The previous prime is 99001743667. The next prime is 99001743679. The reversal of 99001743668 is 86634710099.

It can be written as a sum of positive squares in 2 ways, for example, as 76951869604 + 22049874064 = 277402^2 + 148492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99001743667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4646963 + ... + 4668218.

It is an arithmetic number, because the mean of its divisors is an integer number (14443189691).

Almost surely, 2^99001743668 is an apocalyptic number.

It is an amenable number.

99001743668 is a deficient number, since it is larger than the sum of its proper divisors (74316532624).

99001743668 is a wasteful number, since it uses less digits than its factorization.

99001743668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317842 (or 9317840 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 99001743668 in words is "ninety-nine billion, one million, seven hundred forty-three thousand, six hundred sixty-eight".