162989748 has 18 divisors (see below), whose sum is σ = 412001954. Its totient is φ = 54329904.

The previous prime is 162989689. The next prime is 162989767. The reversal of 162989748 is 847989261.

162989748 is a `hidden beast` number, since 1 + 629 + 8 + 9 + 7 + 4 + 8 = 666.

162989748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 162868644 + 121104 = 12762^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 162989694 and 162989703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263711 + ... + 2263782.

Almost surely, 2^162989748 is an apocalyptic number.

162989748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

162989748 is an abundant number, since it is smaller than the sum of its proper divisors (249012206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162989748 is a wasteful number, since it uses less digits than its factorization.

162989748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527503 (or 4527498 counting only the distinct ones).

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

The square root of 162989748 is about 12766.7438291837. The cubic root of 162989748 is about 546.2441045118.

The spelling of 162989748 in words is "one hundred sixty-two million, nine hundred eighty-nine thousand, seven hundred forty-eight".