16328620 has 96 divisors (see below), whose sum is σ = 44706816. Its totient is φ = 4857600.

The previous prime is 16328617. The next prime is 16328633. The reversal of 16328620 is 2682361.

16328620 = T₁ + T₂ + ... + T₄₆₀.

16328620 is a nontrivial binomial coefficient, being equal to C(462, 3).

It is a super-2 number, since 2×16328620² = 533247662208800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is the 460-th tetrahedral number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35190 + ... + 35650.

It is an arithmetic number, because the mean of its divisors is an integer number (465696).

Almost surely, 2^16328620 is an apocalyptic number.

16328620 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 16328620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22353408).

16328620 is an abundant number, since it is smaller than the sum of its proper divisors (28378196).

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

16328620 is a wasteful number, since it uses less digits than its factorization.

16328620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16328620 is about 4040.8687184812. The cubic root of 16328620 is about 253.6976790377.

It can be divided in two parts, 163286 and 20, that added together give a triangular number (163306 = T₅₇₁).

The spelling of 16328620 in words is "sixteen million, three hundred twenty-eight thousand, six hundred twenty".