161575126 has 16 divisors (see below), whose sum is σ = 258716160. Its totient is φ = 75456360.

The previous prime is 161575121. The next prime is 161575133. The reversal of 161575126 is 621575161.

161575126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161575126² = 52213042683831752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161575091 and 161575100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161575121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27246 + ... + 32641.

It is an arithmetic number, because the mean of its divisors is an integer number (16169760).

Almost surely, 2^161575126 is an apocalyptic number.

161575126 is a deficient number, since it is larger than the sum of its proper divisors (97141034).

161575126 is a wasteful number, since it uses less digits than its factorization.

161575126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59979.

The product of its digits is 12600, while the sum is 34.

The square root of 161575126 is about 12711.2204764137. The cubic root of 161575126 is about 544.6591882052.

The spelling of 161575126 in words is "one hundred sixty-one million, five hundred seventy-five thousand, one hundred twenty-six".