160621016537 has 2 divisors, whose sum is σ = 160621016538. Its totient is φ = 160621016536.

The previous prime is 160621016483. The next prime is 160621016561. The reversal of 160621016537 is 735610126061.

160621016537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86613078601 + 74007937936 = 294301^2 + 272044^2 .

It is an emirp because it is prime and its reverse (735610126061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160621016537 - 2³² = 156326049241 is a prime.

It is a super-2 number, since 2×160621016537² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 160621016537.

It is not a weakly prime, because it can be changed into another prime (160621016587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80310508268 + 80310508269.

It is an arithmetic number, because the mean of its divisors is an integer number (80310508269).

Almost surely, 2^160621016537 is an apocalyptic number.

It is an amenable number.

160621016537 is a deficient number, since it is larger than the sum of its proper divisors (1).

160621016537 is an equidigital number, since it uses as much as digits as its factorization.

160621016537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 160621016537 in words is "one hundred sixty billion, six hundred twenty-one million, sixteen thousand, five hundred thirty-seven".