999607413600 has 288 divisors, whose sum is σ = 3661015680000. Its totient is φ = 263187325440.

The previous prime is 999607413599. The next prime is 999607413619. The reversal of 999607413600 is 6314706999.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1413501 + ... + 1999299.

It is an arithmetic number, because the mean of its divisors is an integer number (12711860000).

Almost surely, 2^999607413600 is an apocalyptic number.

999607413600 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999607413600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830507840000).

999607413600 is an abundant number, since it is smaller than the sum of its proper divisors (2661408266400).

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

999607413600 is a wasteful number, since it uses less digits than its factorization.

999607413600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585907 (or 585888 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 999607413600 in words is "nine hundred ninety-nine billion, six hundred seven million, four hundred thirteen thousand, six hundred".