16163542 has 4 divisors (see below), whose sum is σ = 24245316. Its totient is φ = 8081770.

The previous prime is 16163533. The next prime is 16163573. The reversal of 16163542 is 24536161.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×16163542² = 522520179971528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16163542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040884 + ... + 4040887.

It is an arithmetic number, because the mean of its divisors is an integer number (6061329).

Almost surely, 2^16163542 is an apocalyptic number.

16163542 is a deficient number, since it is larger than the sum of its proper divisors (8081774).

16163542 is an equidigital number, since it uses as much as digits as its factorization.

16163542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081773.

The product of its digits is 4320, while the sum is 28.

The square root of 16163542 is about 4020.3907770265. The cubic root of 16163542 is about 252.8398430198.

The spelling of 16163542 in words is "sixteen million, one hundred sixty-three thousand, five hundred forty-two".