7421531170086 has 160 divisors (see below), whose sum is σ = 18845645068800. Its totient is φ = 2162309929920.

The previous prime is 7421531170069. The next prime is 7421531170099. The reversal of 7421531170086 is 6800711351247.

7421531170086 is a `hidden beast` number, since 7 + 4 + 21 + 531 + 17 + 0 + 0 + 86 = 666.

It is a super-2 number, since 2×7421531170086² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12050601 + ... + 12651483.

It is an arithmetic number, because the mean of its divisors is an integer number (117785281680).

Almost surely, 2^{7421531170086} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421531170086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9422822534400).

7421531170086 is an abundant number, since it is smaller than the sum of its proper divisors (11424113898714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7421531170086 is a wasteful number, since it uses less digits than its factorization.

7421531170086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601176 (or 601167 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 7421531170086 in words is "seven trillion, four hundred twenty-one billion, five hundred thirty-one million, one hundred seventy thousand, eighty-six".