162989487 has 6 divisors (see below), whose sum is σ = 235429272. Its totient is φ = 108659652.

The previous prime is 162989459. The next prime is 162989501. The reversal of 162989487 is 784989261.

162989487 is a `hidden beast` number, since 1 + 629 + 8 + 9 + 4 + 8 + 7 = 666.

It is not a de Polignac number, because 162989487 - 2¹² = 162985391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162989417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9054963 + ... + 9054980.

It is an arithmetic number, because the mean of its divisors is an integer number (39238212).

Almost surely, 2^162989487 is an apocalyptic number.

162989487 is a deficient number, since it is larger than the sum of its proper divisors (72439785).

162989487 is a wasteful number, since it uses less digits than its factorization.

162989487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109949 (or 18109946 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 162989487 is about 12766.7336073093. The cubic root of 162989487 is about 546.2438129397.

The spelling of 162989487 in words is "one hundred sixty-two million, nine hundred eighty-nine thousand, four hundred eighty-seven".