161827316 has 24 divisors (see below), whose sum is σ = 334096896. Its totient is φ = 67116960.

The previous prime is 161827283. The next prime is 161827321. The reversal of 161827316 is 613728161.

161827316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92351 + ... + 94086.

It is an arithmetic number, because the mean of its divisors is an integer number (13920704).

Almost surely, 2^161827316 is an apocalyptic number.

It is an amenable number.

161827316 is an abundant number, since it is smaller than the sum of its proper divisors (172269580).

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

161827316 is a wasteful number, since it uses less digits than its factorization.

161827316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186479 (or 186477 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 161827316 is about 12721.1365844409. The cubic root of 161827316 is about 544.9424129036.

The spelling of 161827316 in words is "one hundred sixty-one million, eight hundred twenty-seven thousand, three hundred sixteen".