2161470711208 has 32 divisors (see below), whose sum is σ = 4092268340160. Its totient is φ = 1070199993600.

The previous prime is 2161470711199. The next prime is 2161470711227. The reversal of 2161470711208 is 8021170741612.

It is a happy number.

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, 33917791 + ... + 33981457.

It is an arithmetic number, because the mean of its divisors is an integer number (127883385630).

Almost surely, 2^{2161470711208} is an apocalyptic number.

It is an amenable number.

2161470711208 is a deficient number, since it is larger than the sum of its proper divisors (1930797628952).

2161470711208 is a wasteful number, since it uses less digits than its factorization.

2161470711208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104977 (or 104973 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 2161470711208 in words is "two trillion, one hundred sixty-one billion, four hundred seventy million, seven hundred eleven thousand, two hundred eight".