162201671 has 4 divisors (see below), whose sum is σ = 164155992. Its totient is φ = 160247352.

The previous prime is 162201587. The next prime is 162201691. The reversal of 162201671 is 176102261.

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

It is a cyclic number.

It is not a de Polignac number, because 162201671 - 2²⁶ = 95092807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162201671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162201691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977036 + ... + 977201.

It is an arithmetic number, because the mean of its divisors is an integer number (41038998).

Almost surely, 2^162201671 is an apocalyptic number.

162201671 is a deficient number, since it is larger than the sum of its proper divisors (1954321).

162201671 is an equidigital number, since it uses as much as digits as its factorization.

162201671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954320.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 162201671 is about 12735.8419823740. The cubic root of 162201671 is about 545.3622942480.

The spelling of 162201671 in words is "one hundred sixty-two million, two hundred one thousand, six hundred seventy-one".