162169140 has 48 divisors (see below), whose sum is σ = 518942592. Its totient is φ = 37067136.

The previous prime is 162169121. The next prime is 162169157. The reversal of 162169140 is 41961261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 162169098 and 162169107.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 192639 + ... + 193478.

It is an arithmetic number, because the mean of its divisors is an integer number (10811304).

Almost surely, 2^162169140 is an apocalyptic number.

162169140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162169140 is an abundant number, since it is smaller than the sum of its proper divisors (356773452).

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

162169140 is a wasteful number, since it uses less digits than its factorization.

162169140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386136 (or 386134 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 162169140 is about 12734.5647746596. The cubic root of 162169140 is about 545.3258327104.

The spelling of 162169140 in words is "one hundred sixty-two million, one hundred sixty-nine thousand, one hundred forty".