163052340 has 144 divisors (see below), whose sum is σ = 516235776. Its totient is φ = 38396160.

The previous prime is 163052311. The next prime is 163052363. The reversal of 163052340 is 43250361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 163052340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268317 + ... + 268923.

Almost surely, 2^163052340 is an apocalyptic number.

163052340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163052340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258117888).

163052340 is an abundant number, since it is smaller than the sum of its proper divisors (353183436).

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

163052340 is a wasteful number, since it uses less digits than its factorization.

163052340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 163052340 is about 12769.1949628784. The cubic root of 163052340 is about 546.3140192062.

The spelling of 163052340 in words is "one hundred sixty-three million, fifty-two thousand, three hundred forty".