161375608 has 8 divisors (see below), whose sum is σ = 302579280. Its totient is φ = 80687800.

The previous prime is 161375563. The next prime is 161375609. The reversal of 161375608 is 806573161.

161375608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161375609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085968 + ... + 10085983.

It is an arithmetic number, because the mean of its divisors is an integer number (37822410).

Almost surely, 2^161375608 is an apocalyptic number.

It is an amenable number.

161375608 is a deficient number, since it is larger than the sum of its proper divisors (141203672).

161375608 is a wasteful number, since it uses less digits than its factorization.

161375608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171957 (or 20171953 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 161375608 is about 12703.3699465929. The cubic root of 161375608 is about 544.4349084852.

It can be divided in two parts, 161 and 375608, that added together give a square (375769 = 613²).

The spelling of 161375608 in words is "one hundred sixty-one million, three hundred seventy-five thousand, six hundred eight".