16308241920 has 800 divisors, whose sum is σ = 62743127040. Its totient is φ = 4041031680.

The previous prime is 16308241919. The next prime is 16308241921. The reversal of 16308241920 is 2914280361.

16308241920 is a `hidden beast` number, since 1 + 630 + 8 + 2 + 4 + 19 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (16308241919) and next prime (16308241921).

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16308241921) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 276410851 + ... + 276410909.

Almost surely, 2^16308241920 is an apocalyptic number.

16308241920 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 16308241920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31371563520).

16308241920 is an abundant number, since it is smaller than the sum of its proper divisors (46434885120).

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

16308241920 is an equidigital number, since it uses as much as digits as its factorization.

16308241920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 16308241920 in words is "sixteen billion, three hundred eight million, two hundred forty-one thousand, nine hundred twenty".