14717571856 has 45 divisors (see below), whose sum is σ = 30890750079. Its totient is φ = 6789813888.

The previous prime is 14717571851. The next prime is 14717571871. The reversal of 14717571856 is 65817571741.

The square root of 14717571856 is 121316.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4034282256 + 10683289600 = 63516^2 + 103360^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14717571851) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6307266 + ... + 6309598.

Almost surely, 2^14717571856 is an apocalyptic number.

14717571856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

14717571856 is the 121316-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14717571856

14717571856 is an abundant number, since it is smaller than the sum of its proper divisors (16173178223).

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

14717571856 is an frugal number, since it uses more digits than its factorization.

14717571856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700 (or 2348 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 52.

The spelling of 14717571856 in words is "fourteen billion, seven hundred seventeen million, five hundred seventy-one thousand, eight hundred fifty-six".