19227620016 has 60 divisors (see below), whose sum is σ = 58702511400. Its totient is φ = 5826551040.

The previous prime is 19227620011. The next prime is 19227620021. The reversal of 19227620016 is 61002672291.

19227620016 is a `hidden beast` number, since 1 + 9 + 2 + 27 + 620 + 0 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (19227620011) and next prime (19227620021).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (19227620011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6067741 + ... + 6070908.

It is an arithmetic number, because the mean of its divisors is an integer number (978375190).

Almost surely, 2^19227620016 is an apocalyptic number.

19227620016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19227620016 is an abundant number, since it is smaller than the sum of its proper divisors (39474891384).

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

19227620016 is a wasteful number, since it uses less digits than its factorization.

19227620016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12138674 (or 12138665 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 19227620016 in words is "nineteen billion, two hundred twenty-seven million, six hundred twenty thousand, sixteen".