16129320 has 64 divisors (see below), whose sum is σ = 48669120. Its totient is φ = 4276224.

The previous prime is 16129297. The next prime is 16129363. The reversal of 16129320 is 2392161.

16129320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30579 + ... + 31101.

It is an arithmetic number, because the mean of its divisors is an integer number (760455).

Almost surely, 2^16129320 is an apocalyptic number.

16129320 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 16129320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24334560).

16129320 is an abundant number, since it is smaller than the sum of its proper divisors (32539800).

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

16129320 is a wasteful number, since it uses less digits than its factorization.

16129320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 16129320 is about 4016.1324679348. The cubic root of 16129320 is about 252.6612765710.

The spelling of 16129320 in words is "sixteen million, one hundred twenty-nine thousand, three hundred twenty".