16350204520 has 64 divisors (see below), whose sum is σ = 41702976000. Its totient is φ = 5719258368.

The previous prime is 16350204509. The next prime is 16350204523. The reversal of 16350204520 is 2540205361.

It is not an unprimeable number, because it can be changed into a prime (16350204523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817560 + ... + 837319.

It is an arithmetic number, because the mean of its divisors is an integer number (651609000).

Almost surely, 2^16350204520 is an apocalyptic number.

16350204520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16350204520 is an abundant number, since it is smaller than the sum of its proper divisors (25352771480).

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

16350204520 is a wasteful number, since it uses less digits than its factorization.

16350204520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654922 (or 1654918 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 16350204520 its reverse (2540205361), we get a palindrome (18890409881).

The spelling of 16350204520 in words is "sixteen billion, three hundred fifty million, two hundred four thousand, five hundred twenty".