16128620 has 24 divisors (see below), whose sum is σ = 34337184. Its totient is φ = 6362496.

The previous prime is 16128601. The next prime is 16128647. The reversal of 16128620 is 2682161.

It is a self number, because there is not a number n which added to its sum of digits gives 16128620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4064 + ... + 6983.

It is an arithmetic number, because the mean of its divisors is an integer number (1430716).

Almost surely, 2^16128620 is an apocalyptic number.

16128620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16128620 is an abundant number, since it is smaller than the sum of its proper divisors (18208564).

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

16128620 is a wasteful number, since it uses less digits than its factorization.

16128620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11129 (or 11127 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 16128620 is about 4016.0453184694. The cubic root of 16128620 is about 252.6576214168.

The spelling of 16128620 in words is "sixteen million, one hundred twenty-eight thousand, six hundred twenty".