67161870201 has 4 divisors (see below), whose sum is σ = 89549160272. Its totient is φ = 44774580132.

The previous prime is 67161870179. The next prime is 67161870283. The reversal of 67161870201 is 10207816176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67161870201 - 2⁵ = 67161870169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67161870201.

It is not an unprimeable number, because it can be changed into a prime (67161870901) 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, 11193645031 + ... + 11193645036.

It is an arithmetic number, because the mean of its divisors is an integer number (22387290068).

Almost surely, 2^67161870201 is an apocalyptic number.

It is an amenable number.

67161870201 is a deficient number, since it is larger than the sum of its proper divisors (22387290071).

67161870201 is a wasteful number, since it uses less digits than its factorization.

67161870201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387290070.

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 67161870201 in words is "sixty-seven billion, one hundred sixty-one million, eight hundred seventy thousand, two hundred one".