163435484160 has 704 divisors, whose sum is σ = 630017472000. Its totient is φ = 39940521984.

The previous prime is 163435484143. The next prime is 163435484167. The reversal of 163435484160 is 61484534361.

163435484160 is a `hidden beast` number, since 1 + 6 + 3 + 4 + 3 + 5 + 484 + 160 = 666.

It is a super-2 number, since 2×163435484160² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163435484167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 357626652 + ... + 357627108.

Almost surely, 2^163435484160 is an apocalyptic number.

163435484160 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 163435484160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315008736000).

163435484160 is an abundant number, since it is smaller than the sum of its proper divisors (466581987840).

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

163435484160 is a wasteful number, since it uses less digits than its factorization.

163435484160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 163435484160 in words is "one hundred sixty-three billion, four hundred thirty-five million, four hundred eighty-four thousand, one hundred sixty".