2154164573164 has 48 divisors (see below), whose sum is σ = 4010436577728. Its totient is φ = 1010177296128.

The previous prime is 2154164573107. The next prime is 2154164573189. The reversal of 2154164573164 is 4613754614512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7648654 + ... + 7925290.

It is an arithmetic number, because the mean of its divisors is an integer number (83550762036).

Almost surely, 2^{2154164573164} is an apocalyptic number.

It is an amenable number.

2154164573164 is a deficient number, since it is larger than the sum of its proper divisors (1856272004564).

2154164573164 is a wasteful number, since it uses less digits than its factorization.

2154164573164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278314 (or 278312 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 2154164573164 in words is "two trillion, one hundred fifty-four billion, one hundred sixty-four million, five hundred seventy-three thousand, one hundred sixty-four".