2151313642160 has 80 divisors (see below), whose sum is σ = 5174929944000. Its totient is φ = 830747839488.

The previous prime is 2151313642147. The next prime is 2151313642169. The reversal of 2151313642160 is 612463131512.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2151313642160.

It is not an unprimeable number, because it can be changed into a prime (2151313642169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19895762 + ... + 20003598.

It is an arithmetic number, because the mean of its divisors is an integer number (64686624300).

Almost surely, 2^{2151313642160} is an apocalyptic number.

2151313642160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151313642160 is an abundant number, since it is smaller than the sum of its proper divisors (3023616301840).

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

2151313642160 is a wasteful number, since it uses less digits than its factorization.

2151313642160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116478 (or 116472 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 2151313642160 its reverse (612463131512), we get a palindrome (2763776773672).

The spelling of 2151313642160 in words is "two trillion, one hundred fifty-one billion, three hundred thirteen million, six hundred forty-two thousand, one hundred sixty".