2157340473368 has 64 divisors (see below), whose sum is σ = 4110075889920. Its totient is φ = 1061429385600.

The previous prime is 2157340473331. The next prime is 2157340473383. The reversal of 2157340473368 is 8633740437512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335978798 + ... + 335985218.

It is an arithmetic number, because the mean of its divisors is an integer number (64219935780).

Almost surely, 2^{2157340473368} is an apocalyptic number.

It is an amenable number.

2157340473368 is a deficient number, since it is larger than the sum of its proper divisors (1952735416552).

2157340473368 is a wasteful number, since it uses less digits than its factorization.

2157340473368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448 (or 8444 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 2157340473368 in words is "two trillion, one hundred fifty-seven billion, three hundred forty million, four hundred seventy-three thousand, three hundred sixty-eight".