162887728 has 20 divisors (see below), whose sum is σ = 316009288. Its totient is φ = 81336960.

The previous prime is 162887719. The next prime is 162887729. The reversal of 162887728 is 827788261.

It is not an unprimeable number, because it can be changed into a prime (162887729) 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, 6700 + ... + 19252.

Almost surely, 2^162887728 is an apocalyptic number.

It is an amenable number.

162887728 is a deficient number, since it is larger than the sum of its proper divisors (153121560).

162887728 is a wasteful number, since it uses less digits than its factorization.

162887728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372 (or 13366 counting only the distinct ones).

The product of its digits is 602112, while the sum is 49.

The square root of 162887728 is about 12762.7476665489. The cubic root of 162887728 is about 546.1301107269.

The spelling of 162887728 in words is "one hundred sixty-two million, eight hundred eighty-seven thousand, seven hundred twenty-eight".