161593466 has 16 divisors (see below), whose sum is σ = 257124456. Its totient is φ = 75902976.

The previous prime is 161593463. The next prime is 161593489. The reversal of 161593466 is 664395161.

161593466 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 4 ways, for example, as 156775441 + 4818025 = 12521^2 + 2195^2 .

It is a super-2 number, since 2×161593466² = 52224896507786312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161593463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15500 + ... + 23736.

Almost surely, 2^161593466 is an apocalyptic number.

161593466 is a deficient number, since it is larger than the sum of its proper divisors (95530990).

161593466 is a wasteful number, since it uses less digits than its factorization.

161593466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833.

The product of its digits is 116640, while the sum is 41.

The square root of 161593466 is about 12711.9418658205. The cubic root of 161593466 is about 544.6797950726.

The spelling of 161593466 in words is "one hundred sixty-one million, five hundred ninety-three thousand, four hundred sixty-six".