161367575 has 12 divisors (see below), whose sum is σ = 200933568. Its totient is φ = 128553600.

The previous prime is 161367559. The next prime is 161367607. The reversal of 161367575 is 575763161.

161367575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161367575 - 2⁴ = 161367559 is a prime.

It is a super-2 number, since 2×161367575² = 52078988522761250, which contains 22 as substring.

It is a Duffinian number.

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, 7367 + ... + 19416.

It is an arithmetic number, because the mean of its divisors is an integer number (16744464).

Almost surely, 2^161367575 is an apocalyptic number.

161367575 is a deficient number, since it is larger than the sum of its proper divisors (39565993).

161367575 is a wasteful number, since it uses less digits than its factorization.

161367575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27034 (or 27029 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 161367575 is about 12703.0537667129. The cubic root of 161367575 is about 544.4258746578.

The spelling of 161367575 in words is "one hundred sixty-one million, three hundred sixty-seven thousand, five hundred seventy-five".