163343540 has 24 divisors (see below), whose sum is σ = 344656032. Its totient is φ = 65026080.

The previous prime is 163343533. The next prime is 163343581. The reversal of 163343540 is 45343361.

It is a super-2 number, since 2×163343540² = 53362224119463200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15134 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (14360668).

Almost surely, 2^163343540 is an apocalyptic number.

163343540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163343540 is an abundant number, since it is smaller than the sum of its proper divisors (181312492).

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

163343540 is a wasteful number, since it uses less digits than its factorization.

163343540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38927 (or 38925 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 163343540 is about 12780.5923180422. The cubic root of 163343540 is about 546.6390519133.

The spelling of 163343540 in words is "one hundred sixty-three million, three hundred forty-three thousand, five hundred forty".