8162421152131 has 8 divisors (see below), whose sum is σ = 8240475066480. Its totient is φ = 8084400008448.

The previous prime is 8162421152113. The next prime is 8162421152141. The reversal of 8162421152131 is 1312511242618.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8162421152131 is a prime.

It is a super-2 number, since 2×8162421152131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8162421152101) 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 7 ways as a sum of consecutive naturals, for example, 7691986 + ... + 8688583.

It is an arithmetic number, because the mean of its divisors is an integer number (1030059383310).

Almost surely, 2^{8162421152131} is an apocalyptic number.

8162421152131 is a deficient number, since it is larger than the sum of its proper divisors (78053914349).

8162421152131 is a wasteful number, since it uses less digits than its factorization.

8162421152131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16385333.

The product of its digits is 23040, while the sum is 37.

Adding to 8162421152131 its reverse (1312511242618), we get a palindrome (9474932394749).

The spelling of 8162421152131 in words is "eight trillion, one hundred sixty-two billion, four hundred twenty-one million, one hundred fifty-two thousand, one hundred thirty-one".