207016716161 has 4 divisors (see below), whose sum is σ = 207184071252. Its totient is φ = 206849361072.

The previous prime is 207016716139. The next prime is 207016716169. The reversal of 207016716161 is 161617610702.

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 188209336561 + 18807379600 = 433831^2 + 137140^2 .

It is a cyclic number.

It is not a de Polignac number, because 207016716161 - 2²² = 207012521857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207016716169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83675690 + ... + 83678163.

It is an arithmetic number, because the mean of its divisors is an integer number (51796017813).

Almost surely, 2^207016716161 is an apocalyptic number.

It is an amenable number.

207016716161 is a deficient number, since it is larger than the sum of its proper divisors (167355091).

207016716161 is a wasteful number, since it uses less digits than its factorization.

207016716161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167355090.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 207016716161 in words is "two hundred seven billion, sixteen million, seven hundred sixteen thousand, one hundred sixty-one".