162081701 has 4 divisors (see below), whose sum is σ = 162257100. Its totient is φ = 161906304.

The previous prime is 162081691. The next prime is 162081707. The reversal of 162081701 is 107180261.

162081701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107180261 = 2719 ⋅39419.

It can be written as a sum of positive squares in 2 ways, for example, as 31528225 + 130553476 = 5615^2 + 11426^2 .

It is a cyclic number.

It is not a de Polignac number, because 162081701 - 2⁶ = 162081637 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 (162081707) 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, 86306 + ... + 88163.

It is an arithmetic number, because the mean of its divisors is an integer number (40564275).

Almost surely, 2^162081701 is an apocalyptic number.

It is an amenable number.

162081701 is a deficient number, since it is larger than the sum of its proper divisors (175399).

162081701 is an equidigital number, since it uses as much as digits as its factorization.

162081701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175398.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 162081701 is about 12731.1311751941. The cubic root of 162081701 is about 545.2278047749.

The spelling of 162081701 in words is "one hundred sixty-two million, eighty-one thousand, seven hundred one".