2538166720382 has 8 divisors (see below), whose sum is σ = 3938534566200. Its totient is φ = 1225321864984.

The previous prime is 2538166720379. The next prime is 2538166720399. The reversal of 2538166720382 is 2830276618352.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21880747532 + ... + 21880747647.

It is an arithmetic number, because the mean of its divisors is an integer number (492316820775).

Almost surely, 2^{2538166720382} is an apocalyptic number.

2538166720382 is a deficient number, since it is larger than the sum of its proper divisors (1400367845818).

2538166720382 is a wasteful number, since it uses less digits than its factorization.

2538166720382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43761495210.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 2538166720382 in words is "two trillion, five hundred thirty-eight billion, one hundred sixty-six million, seven hundred twenty thousand, three hundred eighty-two".