163493292 has 24 divisors (see below), whose sum is σ = 398071296. Its totient is φ = 52128208.

The previous prime is 163493263. The next prime is 163493293. The reversal of 163493292 is 292394361.

It is a self number, because there is not a number n which added to its sum of digits gives 163493292.

It is not an unprimeable number, because it can be changed into a prime (163493293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295908 + ... + 296459.

It is an arithmetic number, because the mean of its divisors is an integer number (16586304).

Almost surely, 2^163493292 is an apocalyptic number.

163493292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163493292 is an abundant number, since it is smaller than the sum of its proper divisors (234578004).

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

163493292 is a wasteful number, since it uses less digits than its factorization.

163493292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592397 (or 592395 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 163493292 is about 12786.4495462970. The cubic root of 163493292 is about 546.8060522688.

The spelling of 163493292 in words is "one hundred sixty-three million, four hundred ninety-three thousand, two hundred ninety-two".