163590742 has 8 divisors (see below), whose sum is σ = 280441296. Its totient is φ = 70110312.

The previous prime is 163590731. The next prime is 163590781. The reversal of 163590742 is 247095361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×163590742² = 53523861736221128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5842513 + ... + 5842540.

It is an arithmetic number, because the mean of its divisors is an integer number (35055162).

Almost surely, 2^163590742 is an apocalyptic number.

163590742 is a deficient number, since it is larger than the sum of its proper divisors (116850554).

163590742 is a wasteful number, since it uses less digits than its factorization.

163590742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685062.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 163590742 is about 12790.2596533456. The cubic root of 163590742 is about 546.9146717430.

The spelling of 163590742 in words is "one hundred sixty-three million, five hundred ninety thousand, seven hundred forty-two".