16216830 has 48 divisors (see below), whose sum is σ = 48189024. Its totient is φ = 3706560.

The previous prime is 16216819. The next prime is 16216831. The reversal of 16216830 is 3861261.

16216830 is a `hidden beast` number, since 1 + 621 + 6 + 8 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16216794 and 16216803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16216831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12241 + ... + 13500.

It is an arithmetic number, because the mean of its divisors is an integer number (1003938).

Almost surely, 2^16216830 is an apocalyptic number.

16216830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16216830 is an abundant number, since it is smaller than the sum of its proper divisors (31972194).

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

16216830 is a wasteful number, since it uses less digits than its factorization.

16216830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25761 (or 25758 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16216830 is about 4027.0125403331. The cubic root of 16216830 is about 253.1173925469.

The spelling of 16216830 in words is "sixteen million, two hundred sixteen thousand, eight hundred thirty".