99406601712 has 240 divisors, whose sum is σ = 306780364800. Its totient is φ = 29798461440.

The previous prime is 99406601663. The next prime is 99406601743. The reversal of 99406601712 is 21710660499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77721489 + ... + 77722767.

It is an arithmetic number, because the mean of its divisors is an integer number (1278251520).

Almost surely, 2^99406601712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99406601712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153390182400).

99406601712 is an abundant number, since it is smaller than the sum of its proper divisors (207373763088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99406601712 is a wasteful number, since it uses less digits than its factorization.

99406601712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 99406601712 in words is "ninety-nine billion, four hundred six million, six hundred one thousand, seven hundred twelve".