161214080 has 32 divisors (see below), whose sum is σ = 385403940. Its totient is φ = 64485376.

The previous prime is 161214071. The next prime is 161214083. The reversal of 161214080 is 80412161.

161214080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159163456 + 2050624 = 12616^2 + 1432^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (161214083) 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, 125309 + ... + 126588.

Almost surely, 2^161214080 is an apocalyptic number.

161214080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161214080 is an abundant number, since it is smaller than the sum of its proper divisors (224189860).

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

161214080 is an equidigital number, since it uses as much as digits as its factorization.

161214080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251916 (or 251904 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 161214080 is about 12697.0106718078. The cubic root of 161214080 is about 544.2531981660.

The spelling of 161214080 in words is "one hundred sixty-one million, two hundred fourteen thousand, eighty".