2399657163168 has 96 divisors (see below), whose sum is σ = 6342620760000. Its totient is φ = 794361399296.

The previous prime is 2399657163157. The next prime is 2399657163173. The reversal of 2399657163168 is 8613617569932.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2399657163099 and 2399657163108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90087580 + ... + 90114212.

It is an arithmetic number, because the mean of its divisors is an integer number (66068966250).

Almost surely, 2^{2399657163168} 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 2399657163168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171310380000).

2399657163168 is an abundant number, since it is smaller than the sum of its proper divisors (3942963596832).

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

2399657163168 is a wasteful number, since it uses less digits than its factorization.

2399657163168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33094 (or 33086 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 66.

The spelling of 2399657163168 in words is "two trillion, three hundred ninety-nine billion, six hundred fifty-seven million, one hundred sixty-three thousand, one hundred sixty-eight".