16132620 has 96 divisors (see below), whose sum is σ = 52448256. Its totient is φ = 3628800.

The previous prime is 16132619. The next prime is 16132651. The reversal of 16132620 is 2623161.

It is a happy number.

It is a super-2 number, since 2×16132620² = 520522856128800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29550 + ... + 30090.

It is an arithmetic number, because the mean of its divisors is an integer number (546336).

Almost surely, 2^16132620 is an apocalyptic number.

16132620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16132620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26224128).

16132620 is an abundant number, since it is smaller than the sum of its proper divisors (36315636).

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

16132620 is a wasteful number, since it uses less digits than its factorization.

16132620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16132620 is about 4016.5432899447. The cubic root of 16132620 is about 252.6785065876.

Adding to 16132620 its reverse (2623161), we get a palindrome (18755781).

The spelling of 16132620 in words is "sixteen million, one hundred thirty-two thousand, six hundred twenty".