16212660 has 96 divisors (see below), whose sum is σ = 47752320. Its totient is φ = 4105728.

The previous prime is 16212649. The next prime is 16212661. The reversal of 16212660 is 6621261.

It is a self number, because there is not a number n which added to its sum of digits gives 16212660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16212661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148686 + ... + 148794.

It is an arithmetic number, because the mean of its divisors is an integer number (497420).

Almost surely, 2^16212660 is an apocalyptic number.

16212660 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 16212660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23876160).

16212660 is an abundant number, since it is smaller than the sum of its proper divisors (31539660).

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

16212660 is a wasteful number, since it uses less digits than its factorization.

16212660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16212660 is about 4026.4947535046. The cubic root of 16212660 is about 253.0956951290.

The spelling of 16212660 in words is "sixteen million, two hundred twelve thousand, six hundred sixty".