161466432048 has 60 divisors (see below), whose sum is σ = 463492436520. Its totient is φ = 53819360064.

The previous prime is 161466432031. The next prime is 161466432077. The reversal of 161466432048 is 840234664161.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

161466432048 is a `hidden beast` number, since 1 + 614 + 6 + 6 + 4 + 3 + 20 + 4 + 8 = 666.

It is a super-2 number, since 2×161466432048² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161466431994 and 161466432012.

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, 8342190 + ... + 8361522.

It is an arithmetic number, because the mean of its divisors is an integer number (7724873942).

Almost surely, 2^161466432048 is an apocalyptic number.

161466432048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

161466432048 is an abundant number, since it is smaller than the sum of its proper divisors (302026004472).

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

161466432048 is an frugal number, since it uses more digits than its factorization.

161466432048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38683 (or 19338 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 161466432048 in words is "one hundred sixty-one billion, four hundred sixty-six million, four hundred thirty-two thousand, forty-eight".