161063316 has 36 divisors (see below), whose sum is σ = 422213792. Its totient is φ = 53687448.

The previous prime is 161063291. The next prime is 161063327. The reversal of 161063316 is 613360161.

It is a happy number.

161063316 is a `hidden beast` number, since 1 + 6 + 10 + 633 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 161063316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81880 + ... + 83823.

Almost surely, 2^161063316 is an apocalyptic number.

It is an amenable number.

161063316 is an abundant number, since it is smaller than the sum of its proper divisors (261150476).

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

161063316 is a wasteful number, since it uses less digits than its factorization.

161063316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165722 (or 165708 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 161063316 is about 12691.0722951215. The cubic root of 161063316 is about 544.0834872227.

The spelling of 161063316 in words is "one hundred sixty-one million, sixty-three thousand, three hundred sixteen".