160538975021 has 8 divisors (see below), whose sum is σ = 161221526304. Its totient is φ = 159857688240.

The previous prime is 160538974969. The next prime is 160538975027. The reversal of 160538975021 is 120579835061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160538975021 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 (160538975027) 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, 61235 + ... + 569936.

It is an arithmetic number, because the mean of its divisors is an integer number (20152690788).

Almost surely, 2^160538975021 is an apocalyptic number.

It is an amenable number.

160538975021 is a deficient number, since it is larger than the sum of its proper divisors (682551283).

160538975021 is an equidigital number, since it uses as much as digits as its factorization.

160538975021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632251.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 160538975021 in words is "one hundred sixty billion, five hundred thirty-eight million, nine hundred seventy-five thousand, twenty-one".