19216652 has 72 divisors (see below), whose sum is σ = 43287552. Its totient is φ = 7300800.

The previous prime is 19216651. The next prime is 19216663. The reversal of 19216652 is 25661291.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19216651) 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, 146627 + ... + 146757.

It is an arithmetic number, because the mean of its divisors is an integer number (601216).

Almost surely, 2^19216652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19216652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21643776).

19216652 is an abundant number, since it is smaller than the sum of its proper divisors (24070900).

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

19216652 is a wasteful number, since it uses less digits than its factorization.

19216652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 184 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 19216652 is about 4383.6801890649. The cubic root of 19216652 is about 267.8505701464.

The spelling of 19216652 in words is "nineteen million, two hundred sixteen thousand, six hundred fifty-two".