161482680 has 64 divisors (see below), whose sum is σ = 538279200. Its totient is φ = 43061760.

The previous prime is 161482661. The next prime is 161482681. The reversal of 161482680 is 86284161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161482681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73681 + ... + 75840.

Almost surely, 2^161482680 is an apocalyptic number.

161482680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161482680 is an abundant number, since it is smaller than the sum of its proper divisors (376796520).

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

161482680 is a wasteful number, since it uses less digits than its factorization.

161482680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149541 (or 149531 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 161482680 is about 12707.5835625818. The cubic root of 161482680 is about 544.5552919134. Note that the first 3 decimals are identical.

The spelling of 161482680 in words is "one hundred sixty-one million, four hundred eighty-two thousand, six hundred eighty".