16993532 has 12 divisors (see below), whose sum is σ = 30115680. Its totient is φ = 8389056.

The previous prime is 16993517. The next prime is 16993567. The reversal of 16993532 is 23539961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26573 + ... + 27204.

It is an arithmetic number, because the mean of its divisors is an integer number (2509640).

Almost surely, 2^16993532 is an apocalyptic number.

It is an amenable number.

16993532 is a deficient number, since it is larger than the sum of its proper divisors (13122148).

16993532 is a wasteful number, since it uses less digits than its factorization.

16993532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53860 (or 53858 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 16993532 is about 4122.3211907856. The cubic root of 16993532 is about 257.0955450286.

The spelling of 16993532 in words is "sixteen million, nine hundred ninety-three thousand, five hundred thirty-two".