163530492 has 48 divisors (see below), whose sum is σ = 403468800. Its totient is φ = 51408000.

The previous prime is 163530481. The next prime is 163530517. The reversal of 163530492 is 294035361.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52992 + ... + 55992.

It is an arithmetic number, because the mean of its divisors is an integer number (8405600).

Almost surely, 2^163530492 is an apocalyptic number.

163530492 is a gapful number since it is divisible by the number (12) 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 163530492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201734400).

163530492 is an abundant number, since it is smaller than the sum of its proper divisors (239938308).

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

163530492 is a wasteful number, since it uses less digits than its factorization.

163530492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 163530492 is about 12787.9041285114. The cubic root of 163530492 is about 546.8475211314.

The spelling of 163530492 in words is "one hundred sixty-three million, five hundred thirty thousand, four hundred ninety-two".