16705126485 has 24 divisors (see below), whose sum is σ = 29738138040. Its totient is φ = 8668605312.

The previous prime is 16705126429. The next prime is 16705126489. The reversal of 16705126485 is 58462150761.

16705126485 is a `hidden beast` number, since 1 + 6 + 70 + 512 + 64 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8133514596 + 8571611889 = 90186^2 + 92583^2 .

It is not a de Polignac number, because 16705126485 - 2⁶ = 16705126421 is a prime.

It is a super-2 number, since 2×16705126485² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16705126485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16705126489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5014890 + ... + 5018219.

It is an arithmetic number, because the mean of its divisors is an integer number (1239089085).

Almost surely, 2^16705126485 is an apocalyptic number.

16705126485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16705126485 is a deficient number, since it is larger than the sum of its proper divisors (13033011555).

16705126485 is a wasteful number, since it uses less digits than its factorization.

16705126485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033157 (or 10033154 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 16705126485 in words is "sixteen billion, seven hundred five million, one hundred twenty-six thousand, four hundred eighty-five".