182171897856 has 819 divisors, whose sum is σ = 624213494649. Its totient is φ = 53102739456.

The previous prime is 182171897833. The next prime is 182171897879. The reversal of 182171897856 is 658798171281.

The square root of 182171897856 is 426816.

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

It is an interprime number because it is at equal distance from previous prime (182171897833) and next prime (182171897879).

It can be written as a sum of positive squares in only one way, i.e., 26948505600 + 155223392256 = 164160^2 + 393984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 182171897793 and 182171897802.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 9587994615 + ... + 9587994633.

Almost surely, 2^182171897856 is an apocalyptic number.

182171897856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

182171897856 is the 426816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 182171897856

182171897856 is an abundant number, since it is smaller than the sum of its proper divisors (442041596793).

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

182171897856 is an frugal number, since it uses more digits than its factorization.

182171897856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 37 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 63.

The spelling of 182171897856 in words is "one hundred eighty-two billion, one hundred seventy-one million, eight hundred ninety-seven thousand, eight hundred fifty-six".