8186215552472 has 16 divisors (see below), whose sum is σ = 15416181038400. Its totient is φ = 4075233942240.

The previous prime is 8186215552469. The next prime is 8186215552481. The reversal of 8186215552472 is 2742555126818.

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 3 ways as a sum of consecutive naturals, for example, 2234227304 + ... + 2234230967.

It is an arithmetic number, because the mean of its divisors is an integer number (963511314900).

Almost surely, 2^{8186215552472} is an apocalyptic number.

It is an amenable number.

8186215552472 is a deficient number, since it is larger than the sum of its proper divisors (7229965485928).

8186215552472 is a wasteful number, since it uses less digits than its factorization.

8186215552472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468458506 (or 4468458502 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 56.

The spelling of 8186215552472 in words is "eight trillion, one hundred eighty-six billion, two hundred fifteen million, five hundred fifty-two thousand, four hundred seventy-two".