16030465640 has 96 divisors (see below), whose sum is σ = 42000418080. Its totient is φ = 5490511488.

The previous prime is 16030465637. The next prime is 16030465723. The reversal of 16030465640 is 4656403061.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16030465640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2197439 + ... + 2204721.

It is an arithmetic number, because the mean of its divisors is an integer number (437504355).

Almost surely, 2^16030465640 is an apocalyptic number.

16030465640 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 16030465640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21000209040).

16030465640 is an abundant number, since it is smaller than the sum of its proper divisors (25969952440).

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

16030465640 is a wasteful number, since it uses less digits than its factorization.

16030465640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431 (or 8420 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 16030465640 in words is "sixteen billion, thirty million, four hundred sixty-five thousand, six hundred forty".