161061608 has 8 divisors (see below), whose sum is σ = 301990530. Its totient is φ = 80530800.

The previous prime is 161061599. The next prime is 161061619. The reversal of 161061608 is 806160161.

161061608 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 only one way, i.e., 160833124 + 228484 = 12682^2 + 478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066343 + ... + 10066358.

Almost surely, 2^161061608 is an apocalyptic number.

It is an amenable number.

161061608 is a deficient number, since it is larger than the sum of its proper divisors (140928922).

161061608 is a wasteful number, since it uses less digits than its factorization.

161061608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132707 (or 20132703 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 161061608 is about 12691.0050035448. The cubic root of 161061608 is about 544.0815639669.

The spelling of 161061608 in words is "one hundred sixty-one million, sixty-one thousand, six hundred eight".