162009884 has 24 divisors (see below), whose sum is σ = 311418240. Its totient is φ = 73404144.

The previous prime is 162009763. The next prime is 162009889. The reversal of 162009884 is 488900261.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162009889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44594 + ... + 48089.

It is an arithmetic number, because the mean of its divisors is an integer number (12975760).

Almost surely, 2^162009884 is an apocalyptic number.

It is an amenable number.

162009884 is a deficient number, since it is larger than the sum of its proper divisors (149408356).

162009884 is a wasteful number, since it uses less digits than its factorization.

162009884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92729 (or 92727 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 162009884 is about 12728.3103356259. The cubic root of 162009884 is about 545.1472643031.

The spelling of 162009884 in words is "one hundred sixty-two million, nine thousand, eight hundred eighty-four".