167161870201 has 4 divisors (see below), whose sum is σ = 167382692452. Its totient is φ = 166941047952.

The previous prime is 167161870181. The next prime is 167161870207. The reversal of 167161870201 is 102078161761.

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 56206926400 + 110954943801 = 237080^2 + 333099^2 .

It is a cyclic number.

It is not a de Polignac number, because 167161870201 - 2²¹ = 167159773049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167161870207) 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, 110409990 + ... + 110411503.

It is an arithmetic number, because the mean of its divisors is an integer number (41845673113).

Almost surely, 2^167161870201 is an apocalyptic number.

It is an amenable number.

167161870201 is a deficient number, since it is larger than the sum of its proper divisors (220822251).

167161870201 is an equidigital number, since it uses as much as digits as its factorization.

167161870201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220822250.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 167161870201 in words is "one hundred sixty-seven billion, one hundred sixty-one million, eight hundred seventy thousand, two hundred one".