2162129878955 has 8 divisors (see below), whose sum is σ = 2627398334400. Its totient is φ = 1707808916736.

The previous prime is 2162129878949. The next prime is 2162129878963. The reversal of 2162129878955 is 5598789212612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2162129878955 - 2¹⁶ = 2162129813419 is a prime.

It is a super-2 number, since 2×2162129878955² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2162129878891 and 2162129878900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736872870 + ... + 2736873659.

It is an arithmetic number, because the mean of its divisors is an integer number (328424791800).

Almost surely, 2^{2162129878955} is an apocalyptic number.

2162129878955 is a deficient number, since it is larger than the sum of its proper divisors (465268455445).

2162129878955 is an equidigital number, since it uses as much as digits as its factorization.

2162129878955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473746613.

The product of its digits is 43545600, while the sum is 65.

The spelling of 2162129878955 in words is "two trillion, one hundred sixty-two billion, one hundred twenty-nine million, eight hundred seventy-eight thousand, nine hundred fifty-five".