16919229620 has 48 divisors (see below), whose sum is σ = 36548160768. Its totient is φ = 6576504960.

The previous prime is 16919229589. The next prime is 16919229641. The reversal of 16919229620 is 2692291961.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17717 + ... + 184803.

It is an arithmetic number, because the mean of its divisors is an integer number (761420016).

Almost surely, 2^16919229620 is an apocalyptic number.

16919229620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16919229620 is an abundant number, since it is smaller than the sum of its proper divisors (19628931148).

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

16919229620 is a wasteful number, since it uses less digits than its factorization.

16919229620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167240 (or 167238 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 16919229620 in words is "sixteen billion, nine hundred nineteen million, two hundred twenty-nine thousand, six hundred twenty".