2161343370074 has 8 divisors (see below), whose sum is σ = 3705160063008. Its totient is φ = 926290015740.

The previous prime is 2161343370071. The next prime is 2161343370119. The reversal of 2161343370074 is 4700733431612.

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

It is not an unprimeable number, because it can be changed into a prime (2161343370071) 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 3 ways as a sum of consecutive naturals, for example, 77190834632 + ... + 77190834659.

It is an arithmetic number, because the mean of its divisors is an integer number (463145007876).

Almost surely, 2^{2161343370074} is an apocalyptic number.

2161343370074 is a deficient number, since it is larger than the sum of its proper divisors (1543816692934).

2161343370074 is a wasteful number, since it uses less digits than its factorization.

2161343370074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154381669300.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 2161343370074 in words is "two trillion, one hundred sixty-one billion, three hundred forty-three million, three hundred seventy thousand, seventy-four".