16923132 has 18 divisors (see below), whose sum is σ = 42778008. Its totient is φ = 5641032.

The previous prime is 16923107. The next prime is 16923133. The reversal of 16923132 is 23132961.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16923096 and 16923105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16923133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235008 + ... + 235079.

It is an arithmetic number, because the mean of its divisors is an integer number (2376556).

Almost surely, 2^16923132 is an apocalyptic number.

16923132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16923132 is an abundant number, since it is smaller than the sum of its proper divisors (25854876).

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

16923132 is a wasteful number, since it uses less digits than its factorization.

16923132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470097 (or 470092 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 16923132 is about 4113.7734502522. The cubic root of 16923132 is about 256.7400258815.

The spelling of 16923132 in words is "sixteen million, nine hundred twenty-three thousand, one hundred thirty-two".