16380132 has 12 divisors (see below), whose sum is σ = 38220336. Its totient is φ = 5460040.

The previous prime is 16380107. The next prime is 16380139. The reversal of 16380132 is 23108361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16380139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682494 + ... + 682517.

It is an arithmetic number, because the mean of its divisors is an integer number (3185028).

Almost surely, 2^16380132 is an apocalyptic number.

16380132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16380132 is an abundant number, since it is smaller than the sum of its proper divisors (21840204).

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

16380132 is a wasteful number, since it uses less digits than its factorization.

16380132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365018 (or 1365016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16380132 is about 4047.2375764217. The cubic root of 16380132 is about 253.9641795437.

Adding to 16380132 its reverse (23108361), we get a palindrome (39488493).

It can be divided in two parts, 16380 and 132, that multiplied together give a triangular number (2162160 = T₂₀₇₉).

The spelling of 16380132 in words is "sixteen million, three hundred eighty thousand, one hundred thirty-two".