2163405047670 has 48 divisors (see below), whose sum is σ = 5624961322032. Its totient is φ = 576896915520.

The previous prime is 2163405047579. The next prime is 2163405047707. The reversal of 2163405047670 is 767405043612.

2163405047670 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 4 + 0 + 504 + 76 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5171025 + ... + 5573715.

It is an arithmetic number, because the mean of its divisors is an integer number (117186694209).

Almost surely, 2^{2163405047670} is an apocalyptic number.

2163405047670 is an abundant number, since it is smaller than the sum of its proper divisors (3461556274362).

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

2163405047670 is a wasteful number, since it uses less digits than its factorization.

2163405047670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462397 (or 462394 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 2163405047670 in words is "two trillion, one hundred sixty-three billion, four hundred five million, forty-seven thousand, six hundred seventy".