160561556 has 6 divisors (see below), whose sum is σ = 280982730. Its totient is φ = 80280776.

The previous prime is 160561553. The next prime is 160561559. The reversal of 160561556 is 655165061.

160561556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (160561553) and next prime (160561559).

It can be written as a sum of positive squares in only one way, i.e., 146797456 + 13764100 = 12116^2 + 3710^2 .

It is a super-2 number, since 2×160561556² = 51560026530282272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160561553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070191 + ... + 20070198.

It is an arithmetic number, because the mean of its divisors is an integer number (46830455).

Almost surely, 2^160561556 is an apocalyptic number.

It is an amenable number.

160561556 is a deficient number, since it is larger than the sum of its proper divisors (120421174).

160561556 is a wasteful number, since it uses less digits than its factorization.

160561556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140393 (or 40140391 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 160561556 is about 12671.2886479632. The cubic root of 160561556 is about 543.5179056856.

The spelling of 160561556 in words is "one hundred sixty million, five hundred sixty-one thousand, five hundred fifty-six".