8007818016381 has 8 divisors (see below), whose sum is σ = 10686877210464. Its totient is φ = 5333652083280.

The previous prime is 8007818016379. The next prime is 8007818016383. The reversal of 8007818016381 is 1836108187008.

It is an interprime number because it is at equal distance from previous prime (8007818016379) and next prime (8007818016383).

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

It is not a de Polignac number, because 8007818016381 - 2¹ = 8007818016379 is a prime.

It is a super-2 number, since 2×8007818016381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8007818016383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223311426 + ... + 1223317971.

It is an arithmetic number, because the mean of its divisors is an integer number (1335859651308).

Almost surely, 2^{8007818016381} is an apocalyptic number.

It is an amenable number.

8007818016381 is a deficient number, since it is larger than the sum of its proper divisors (2679059194083).

8007818016381 is a wasteful number, since it uses less digits than its factorization.

8007818016381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446630491.

The product of its (nonzero) digits is 516096, while the sum is 51.

The spelling of 8007818016381 in words is "eight trillion, seven billion, eight hundred eighteen million, sixteen thousand, three hundred eighty-one".