160547661 has 12 divisors (see below), whose sum is σ = 232012092. Its totient is φ = 106981056.

The previous prime is 160547657. The next prime is 160547689. The reversal of 160547661 is 166745061.

160547661 is a `hidden beast` number, since 1 + 605 + 47 + 6 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79655625 + 80892036 = 8925^2 + 8994^2 .

It is not a de Polignac number, because 160547661 - 2² = 160547657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160547461) 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 11 ways as a sum of consecutive naturals, for example, 34315 + ... + 38711.

It is an arithmetic number, because the mean of its divisors is an integer number (19334341).

Almost surely, 2^160547661 is an apocalyptic number.

It is an amenable number.

160547661 is a deficient number, since it is larger than the sum of its proper divisors (71464431).

160547661 is a wasteful number, since it uses less digits than its factorization.

160547661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8457 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 160547661 is about 12670.7403493245. The cubic root of 160547661 is about 543.5022265501.

The spelling of 160547661 in words is "one hundred sixty million, five hundred forty-seven thousand, six hundred sixty-one".