160561601501 has 8 divisors (see below), whose sum is σ = 183510011520. Its totient is φ = 137615951088.

The previous prime is 160561601443. The next prime is 160561601507. The reversal of 160561601501 is 105106165061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160561601501 - 2⁶ = 160561601437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160561601507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563681 + ... + 799286.

It is an arithmetic number, because the mean of its divisors is an integer number (22938751440).

Almost surely, 2^160561601501 is an apocalyptic number.

It is an amenable number.

160561601501 is a deficient number, since it is larger than the sum of its proper divisors (22948410019).

160561601501 is a wasteful number, since it uses less digits than its factorization.

160561601501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379803.

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 160561601501 its reverse (105106165061), we get a palindrome (265667766562).

The spelling of 160561601501 in words is "one hundred sixty billion, five hundred sixty-one million, six hundred one thousand, five hundred one".