162113040 has 60 divisors (see below), whose sum is σ = 544432044. Its totient is φ = 43229952.

The previous prime is 162113033. The next prime is 162113041. The reversal of 162113040 is 40311261.

It is a happy number.

162113040 is a `hidden beast` number, since 1 + 621 + 1 + 3 + 0 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59536656 + 102576384 = 7716^2 + 10128^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (162113041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111859 + ... + 113298.

Almost surely, 2^162113040 is an apocalyptic number.

162113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162113040 is an abundant number, since it is smaller than the sum of its proper divisors (382319004).

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

162113040 is a wasteful number, since it uses less digits than its factorization.

162113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225176 (or 225167 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 162113040 is about 12732.3619175705. The cubic root of 162113040 is about 545.2629430065.

The spelling of 162113040 in words is "one hundred sixty-two million, one hundred thirteen thousand, forty".