162673121 has 4 divisors (see below), whose sum is σ = 175186452. Its totient is φ = 150159792.

The previous prime is 162673103. The next prime is 162673183. The reversal of 162673121 is 121376261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121376261 = 499 ⋅243239.

It can be written as a sum of positive squares in 2 ways, for example, as 76387600 + 86285521 = 8740^2 + 9289^2 .

It is a cyclic number.

It is not a de Polignac number, because 162673121 - 2⁶ = 162673057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162673321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6256646 + ... + 6256671.

It is an arithmetic number, because the mean of its divisors is an integer number (43796613).

Almost surely, 2^162673121 is an apocalyptic number.

It is an amenable number.

162673121 is a deficient number, since it is larger than the sum of its proper divisors (12513331).

162673121 is a wasteful number, since it uses less digits than its factorization.

162673121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12513330.

The product of its digits is 3024, while the sum is 29.

The square root of 162673121 is about 12754.3373406853. The cubic root of 162673121 is about 545.8901604737.

It can be divided in two parts, 1626 and 73121, that added together give a palindrome (74747).

The spelling of 162673121 in words is "one hundred sixty-two million, six hundred seventy-three thousand, one hundred twenty-one".