2161463431934 has 16 divisors (see below), whose sum is σ = 3261692399616. Its totient is φ = 1074232961400.

The previous prime is 2161463431909. The next prime is 2161463431979. The reversal of 2161463431934 is 4391343641612.

It is a congruent 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, 21697379 + ... + 21796769.

It is an arithmetic number, because the mean of its divisors is an integer number (203855774976).

Almost surely, 2^{2161463431934} is an apocalyptic number.

2161463431934 is a deficient number, since it is larger than the sum of its proper divisors (1100228967682).

2161463431934 is a wasteful number, since it uses less digits than its factorization.

2161463431934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164671.

The product of its digits is 1119744, while the sum is 47.

The spelling of 2161463431934 in words is "two trillion, one hundred sixty-one billion, four hundred sixty-three million, four hundred thirty-one thousand, nine hundred thirty-four".