2161007504143 has 8 divisors (see below), whose sum is σ = 2292023602512. Its totient is φ = 2030424518016.

The previous prime is 2161007504119. The next prime is 2161007504153. The reversal of 2161007504143 is 3414057001612.

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 2161007504143 - 2³³ = 2152417569551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2161007504099 and 2161007504108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161007504153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108267780 + ... + 108287737.

It is an arithmetic number, because the mean of its divisors is an integer number (286502950314).

Almost surely, 2^{2161007504143} is an apocalyptic number.

2161007504143 is a deficient number, since it is larger than the sum of its proper divisors (131016098369).

2161007504143 is a wasteful number, since it uses less digits than its factorization.

2161007504143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216556121.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 2161007504143 in words is "two trillion, one hundred sixty-one billion, seven million, five hundred four thousand, one hundred forty-three".