162188949 has 16 divisors (see below), whose sum is σ = 234437504. Its totient is φ = 99144000.

The previous prime is 162188933. The next prime is 162188981. The reversal of 162188949 is 949881261.

It is not a de Polignac number, because 162188949 - 2⁴ = 162188933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162188898 and 162188907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162188849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7882 + ... + 19659.

It is an arithmetic number, because the mean of its divisors is an integer number (14652344).

Almost surely, 2^162188949 is an apocalyptic number.

It is an amenable number.

162188949 is a deficient number, since it is larger than the sum of its proper divisors (72248555).

162188949 is a wasteful number, since it uses less digits than its factorization.

162188949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27708.

The product of its digits is 248832, while the sum is 48.

The square root of 162188949 is about 12735.3425160064. The cubic root of 162188949 is about 545.3480357009.

The spelling of 162188949 in words is "one hundred sixty-two million, one hundred eighty-eight thousand, nine hundred forty-nine".