16977307141 has 4 divisors (see below), whose sum is σ = 16977736300. Its totient is φ = 16976877984.

The previous prime is 16977307133. The next prime is 16977307169. The reversal of 16977307141 is 14170377961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10905624900 + 6071682241 = 104430^2 + 77921^2 .

It is a cyclic number.

It is not a de Polignac number, because 16977307141 - 2³ = 16977307133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16977307091 and 16977307100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16977307121) 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 in 3 ways as a sum of consecutive naturals, for example, 148446 + ... + 236623.

It is an arithmetic number, because the mean of its divisors is an integer number (4244434075).

Almost surely, 2^16977307141 is an apocalyptic number.

It is an amenable number.

16977307141 is a deficient number, since it is larger than the sum of its proper divisors (429159).

16977307141 is an equidigital number, since it uses as much as digits as its factorization.

16977307141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429158.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 16977307141 in words is "sixteen billion, nine hundred seventy-seven million, three hundred seven thousand, one hundred forty-one".