162581960448 has 108 divisors (see below), whose sum is σ = 469706601000. Its totient is φ = 54084999168.

The previous prime is 162581960407. The next prime is 162581960473. The reversal of 162581960448 is 844069185261.

162581960448 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 8 + 196 + 0 + 448 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 162581960394 and 162581960403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078990 + ... + 1220402.

Almost surely, 2^162581960448 is an apocalyptic number.

162581960448 is a gapful number since it is divisible by the number (18) 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 162581960448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234853300500).

162581960448 is an abundant number, since it is smaller than the sum of its proper divisors (307124640552).

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

162581960448 is a wasteful number, since it uses less digits than its factorization.

162581960448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141934 (or 141917 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 162581960448 in words is "one hundred sixty-two billion, five hundred eighty-one million, nine hundred sixty thousand, four hundred forty-eight".