16542534 has 16 divisors (see below), whose sum is σ = 33229872. Its totient is φ = 5490048.

The previous prime is 16542511. The next prime is 16542551. The reversal of 16542534 is 43524561.

It is a super-2 number, since 2×16542534² = 547310862282312, 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, 4519 + ... + 7314.

It is an arithmetic number, because the mean of its divisors is an integer number (2076867).

Almost surely, 2^16542534 is an apocalyptic number.

16542534 is an abundant number, since it is smaller than the sum of its proper divisors (16687338).

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

16542534 is a wasteful number, since it uses less digits than its factorization.

16542534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071.

The product of its digits is 14400, while the sum is 30.

The square root of 16542534 is about 4067.2514060481. The cubic root of 16542534 is about 254.8007362953.

The spelling of 16542534 in words is "sixteen million, five hundred forty-two thousand, five hundred thirty-four".