169049256336 has 225 divisors, whose sum is σ = 501974953051. Its totient is φ = 55150821216.

The previous prime is 169049256323. The next prime is 169049256353. The reversal of 169049256336 is 633652940961.

The square root of 169049256336 is 411156.

It is a perfect power (a square), and thus also a powerful number.

169049256336 is a `hidden beast` number, since 1 + 6 + 9 + 0 + 49 + 2 + 563 + 36 = 666.

169049256336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×169049256336² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

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 44 ways as a sum of consecutive naturals, for example, 3596792665 + ... + 3596792711.

Almost surely, 2^169049256336 is an apocalyptic number.

169049256336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

169049256336 is the 411156-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169049256336

169049256336 is an abundant number, since it is smaller than the sum of its proper divisors (332925696715).

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

169049256336 is an frugal number, since it uses more digits than its factorization.

169049256336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 169049256336 in words is "one hundred sixty-nine billion, forty-nine million, two hundred fifty-six thousand, three hundred thirty-six".