201940395167 has 8 divisors (see below), whose sum is σ = 230823051936. Its totient is φ = 173066245632.

The previous prime is 201940395161. The next prime is 201940395179. The reversal of 201940395167 is 761593049102.

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

It is not a de Polignac number, because 201940395167 - 2⁶ = 201940395103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201940395161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075858 + ... + 2170959.

It is an arithmetic number, because the mean of its divisors is an integer number (28852881492).

Almost surely, 2^201940395167 is an apocalyptic number.

201940395167 is a deficient number, since it is larger than the sum of its proper divisors (28882656769).

201940395167 is an equidigital number, since it uses as much as digits as its factorization.

201940395167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253617.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 201940395167 in words is "two hundred one billion, nine hundred forty million, three hundred ninety-five thousand, one hundred sixty-seven".