162987285 has 8 divisors (see below), whose sum is σ = 260779680. Its totient is φ = 86926544.

The previous prime is 162987283. The next prime is 162987287. The reversal of 162987285 is 582789261.

It is an interprime number because it is at equal distance from previous prime (162987283) and next prime (162987287).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162987285 - 2¹ = 162987283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162987281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5432895 + ... + 5432924.

It is an arithmetic number, because the mean of its divisors is an integer number (32597460).

Almost surely, 2^162987285 is an apocalyptic number.

162987285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162987285 is a deficient number, since it is larger than the sum of its proper divisors (97792395).

162987285 is a wasteful number, since it uses less digits than its factorization.

162987285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865827.

The product of its digits is 483840, while the sum is 48.

The square root of 162987285 is about 12766.6473672613. The cubic root of 162987285 is about 546.2413529972.

The spelling of 162987285 in words is "one hundred sixty-two million, nine hundred eighty-seven thousand, two hundred eighty-five".