162140161 has 8 divisors (see below), whose sum is σ = 163800000. Its totient is φ = 160488240.

The previous prime is 162140159. The next prime is 162140171. The reversal of 162140161 is 161041261.

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

It is a cyclic number.

It is not a de Polignac number, because 162140161 - 2¹ = 162140159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162140171) 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, 44590 + ... + 48088.

It is an arithmetic number, because the mean of its divisors is an integer number (20475000).

Almost surely, 2^162140161 is an apocalyptic number.

It is an amenable number.

162140161 is a deficient number, since it is larger than the sum of its proper divisors (1659839).

162140161 is a wasteful number, since it uses less digits than its factorization.

162140161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 162140161 is about 12733.4269150139. The cubic root of 162140161 is about 545.2933482342.

The spelling of 162140161 in words is "one hundred sixty-two million, one hundred forty thousand, one hundred sixty-one".