161466480 has 320 divisors, whose sum is σ = 649958400. Its totient is φ = 36080640.

The previous prime is 161466469. The next prime is 161466517. The reversal of 161466480 is 84664161.

161466480 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 6 + 648 + 0 = 666.

161466480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 891990 + ... + 892170.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^161466480 is an apocalyptic number.

161466480 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 161466480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324979200).

161466480 is an abundant number, since it is smaller than the sum of its proper divisors (488491920).

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

161466480 is a wasteful number, since it uses less digits than its factorization.

161466480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 161466480 is about 12706.9461319390. The cubic root of 161466480 is about 544.5370813108.

The spelling of 161466480 in words is "one hundred sixty-one million, four hundred sixty-six thousand, four hundred eighty".