161460489960 has 576 divisors, whose sum is σ = 705097897920. Its totient is φ = 31576043520.

The previous prime is 161460489947. The next prime is 161460489961. The reversal of 161460489960 is 69984064161.

It is a happy number.

161460489960 is a `hidden beast` number, since 1 + 6 + 14 + 60 + 489 + 96 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 161460489897 and 161460489906.

It is not an unprimeable number, because it can be changed into a prime (161460489961) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3274207 + ... + 3323153.

It is an arithmetic number, because the mean of its divisors is an integer number (1224128295).

Almost surely, 2^161460489960 is an apocalyptic number.

161460489960 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 161460489960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352548948960).

161460489960 is an abundant number, since it is smaller than the sum of its proper divisors (543637407960).

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

161460489960 is a wasteful number, since it uses less digits than its factorization.

161460489960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49006 (or 48992 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 161460489960 in words is "one hundred sixty-one billion, four hundred sixty million, four hundred eighty-nine thousand, nine hundred sixty".