16348621530 has 64 divisors (see below), whose sum is σ = 41008343040. Its totient is φ = 4165883904.

The previous prime is 16348621519. The next prime is 16348621537. The reversal of 16348621530 is 3512684361.

It is not an unprimeable number, because it can be changed into a prime (16348621537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12474 + ... + 181253.

It is an arithmetic number, because the mean of its divisors is an integer number (640755360).

Almost surely, 2^16348621530 is an apocalyptic number.

16348621530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16348621530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20504171520).

16348621530 is an abundant number, since it is smaller than the sum of its proper divisors (24659721510).

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

16348621530 is a wasteful number, since it uses less digits than its factorization.

16348621530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193863.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 16348621530 in words is "sixteen billion, three hundred forty-eight million, six hundred twenty-one thousand, five hundred thirty".