162287961 has 16 divisors (see below), whose sum is σ = 240511680. Its totient is φ = 96499520.

The previous prime is 162287959. The next prime is 162288011. The reversal of 162287961 is 169782261.

It is a cyclic number.

It is not a de Polignac number, because 162287961 - 2¹ = 162287959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162287941) 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 15 ways as a sum of consecutive naturals, for example, 44646 + ... + 48143.

It is an arithmetic number, because the mean of its divisors is an integer number (15031980).

Almost surely, 2^162287961 is an apocalyptic number.

162287961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162287961 is a deficient number, since it is larger than the sum of its proper divisors (78223719).

162287961 is a wasteful number, since it uses less digits than its factorization.

162287961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92856.

The product of its digits is 72576, while the sum is 42.

The square root of 162287961 is about 12739.2292153018. The cubic root of 162287961 is about 545.4589865724.

The spelling of 162287961 in words is "one hundred sixty-two million, two hundred eighty-seven thousand, nine hundred sixty-one".