163042550 has 24 divisors (see below), whose sum is σ = 330829272. Its totient is φ = 59288000.

The previous prime is 163042549. The next prime is 163042567. The reversal of 163042550 is 55240361.

It is a super-2 number, since 2×163042550² = 53165746221005000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147671 + ... + 148770.

It is an arithmetic number, because the mean of its divisors is an integer number (13784553).

Almost surely, 2^163042550 is an apocalyptic number.

163042550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163042550 is an abundant number, since it is smaller than the sum of its proper divisors (167786722).

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

163042550 is a wasteful number, since it uses less digits than its factorization.

163042550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296464 (or 296459 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 163042550 is about 12768.8116126756. The cubic root of 163042550 is about 546.3030850458.

The spelling of 163042550 in words is "one hundred sixty-three million, forty-two thousand, five hundred fifty".