16485755715 has 192 divisors, whose sum is σ = 35902339200. Its totient is φ = 7121157120.

The previous prime is 16485755647. The next prime is 16485755717. The reversal of 16485755715 is 51755758461.

16485755715 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 575 + 57 + 15 = 666.

16485755715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16485755715 - 2⁸ = 16485755459 is a prime.

It is a super-2 number, since 2×16485755715² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16485755717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6156957 + ... + 6159633.

It is an arithmetic number, because the mean of its divisors is an integer number (186991350).

Almost surely, 2^16485755715 is an apocalyptic number.

16485755715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16485755715 is an abundant number, since it is smaller than the sum of its proper divisors (19416583485).

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

16485755715 is a wasteful number, since it uses less digits than its factorization.

16485755715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2738 counting only the distinct ones).

The product of its digits is 5880000, while the sum is 54.

The spelling of 16485755715 in words is "sixteen billion, four hundred eighty-five million, seven hundred fifty-five thousand, seven hundred fifteen".