161480680 has 16 divisors (see below), whose sum is σ = 363331620. Its totient is φ = 64592256.

The previous prime is 161480663. The next prime is 161480681. The reversal of 161480680 is 86084161.

It can be written as a sum of positive squares in 2 ways, for example, as 161340804 + 139876 = 12702^2 + 374^2 .

It is not an unprimeable number, because it can be changed into a prime (161480681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018469 + ... + 2018548.

Almost surely, 2^161480680 is an apocalyptic number.

161480680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161480680 is an abundant number, since it is smaller than the sum of its proper divisors (201850940).

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

161480680 is a wasteful number, since it uses less digits than its factorization.

161480680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037028 (or 4037024 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 161480680 is about 12707.5048691708. The cubic root of 161480680 is about 544.5530437567.

The spelling of 161480680 in words is "one hundred sixty-one million, four hundred eighty thousand, six hundred eighty".