162880901 has 4 divisors (see below), whose sum is σ = 171453600. Its totient is φ = 154308204.

The previous prime is 162880891. The next prime is 162880931. The reversal of 162880901 is 109088261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109088261 = 67 ⋅1628183.

It is a cyclic number.

It is not a de Polignac number, because 162880901 - 2¹⁰ = 162879877 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 (162880931) 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, 4286321 + ... + 4286358.

It is an arithmetic number, because the mean of its divisors is an integer number (42863400).

Almost surely, 2^162880901 is an apocalyptic number.

It is an amenable number.

162880901 is a deficient number, since it is larger than the sum of its proper divisors (8572699).

162880901 is an equidigital number, since it uses as much as digits as its factorization.

162880901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572698.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 162880901 is about 12762.4802056654. The cubic root of 162880901 is about 546.1224807632.

The spelling of 162880901 in words is "one hundred sixty-two million, eight hundred eighty thousand, nine hundred one".