201161679 has 4 divisors (see below), whose sum is σ = 268215576. Its totient is φ = 134107784.

The previous prime is 201161669. The next prime is 201161689. The reversal of 201161679 is 976161102.

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

It is an interprime number because it is at equal distance from previous prime (201161669) and next prime (201161689).

It is a cyclic number.

It is not a de Polignac number, because 201161679 - 2⁸ = 201161423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201161669) 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, 33526944 + ... + 33526949.

It is an arithmetic number, because the mean of its divisors is an integer number (67053894).

Almost surely, 2^201161679 is an apocalyptic number.

201161679 is a deficient number, since it is larger than the sum of its proper divisors (67053897).

201161679 is an equidigital number, since it uses as much as digits as its factorization.

201161679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67053896.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 201161679 is about 14183.1477112805. The cubic root of 201161679 is about 585.9336191587.

The spelling of 201161679 in words is "two hundred one million, one hundred sixty-one thousand, six hundred seventy-nine".