19796016 has 40 divisors (see below), whose sum is σ = 51340464. Its totient is φ = 6572800.

The previous prime is 19795987. The next prime is 19796017. The reversal of 19796016 is 61069791.

It is not an unprimeable number, because it can be changed into a prime (19796017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14566 + ... + 15866.

Almost surely, 2^19796016 is an apocalyptic number.

19796016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19796016 is an abundant number, since it is smaller than the sum of its proper divisors (31544448).

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

19796016 is a wasteful number, since it uses less digits than its factorization.

19796016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 19796016 is about 4449.2714010274. The cubic root of 19796016 is about 270.5157767809.

The spelling of 19796016 in words is "nineteen million, seven hundred ninety-six thousand, sixteen".