160340921977 has 8 divisors (see below), whose sum is σ = 162162668520. Its totient is φ = 158519623680.

The previous prime is 160340921969. The next prime is 160340922011. The reversal of 160340921977 is 779129043061.

It can be written as a sum of positive squares in 4 ways, for example, as 6793715776 + 153547206201 = 82424^2 + 391851^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 160340921977 - 2³ = 160340921969 is a prime.

It is a super-2 number, since 2×160340921977² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160340921977.

It is not an unprimeable number, because it can be changed into a prime (160340922977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635577 + ... + 851257.

It is an arithmetic number, because the mean of its divisors is an integer number (20270333565).

Almost surely, 2^160340921977 is an apocalyptic number.

It is an amenable number.

160340921977 is a deficient number, since it is larger than the sum of its proper divisors (1821746543).

160340921977 is an equidigital number, since it uses as much as digits as its factorization.

160340921977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224123.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 160340921977 in words is "one hundred sixty billion, three hundred forty million, nine hundred twenty-one thousand, nine hundred seventy-seven".