163522086420 has 384 divisors, whose sum is σ = 605611302912. Its totient is φ = 31916851200.

The previous prime is 163522086361. The next prime is 163522086439. The reversal of 163522086420 is 24680225361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46572465 + ... + 46575975.

It is an arithmetic number, because the mean of its divisors is an integer number (1577112768).

Almost surely, 2^163522086420 is an apocalyptic number.

163522086420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163522086420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302805651456).

163522086420 is an abundant number, since it is smaller than the sum of its proper divisors (442089216492).

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

163522086420 is a wasteful number, since it uses less digits than its factorization.

163522086420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 163522086420 in words is "one hundred sixty-three billion, five hundred twenty-two million, eighty-six thousand, four hundred twenty".