16507145120 has 24 divisors (see below), whose sum is σ = 38998130724. Its totient is φ = 6602857984.

The previous prime is 16507145117. The next prime is 16507145131. The reversal of 16507145120 is 2154170561.

It can be written as a sum of positive squares in 2 ways, for example, as 15919373584 + 587771536 = 126172^2 + 24244^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51584669 + ... + 51584988.

Almost surely, 2^16507145120 is an apocalyptic number.

16507145120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16507145120 is an abundant number, since it is smaller than the sum of its proper divisors (22490985604).

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

16507145120 is a wasteful number, since it uses less digits than its factorization.

16507145120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103169672 (or 103169664 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 16507145120 in words is "sixteen billion, five hundred seven million, one hundred forty-five thousand, one hundred twenty".