1895165222500 has 135 divisors (see below), whose sum is σ = 4557177644943. Its totient is φ = 688875660000.

The previous prime is 1895165222473. The next prime is 1895165222507. The reversal of 1895165222500 is 52225615981.

The square root of 1895165222500 is 1376650.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148580953444 + 1746584269056 = 385462^2 + 1321584^2 .

It is not an unprimeable number, because it can be changed into a prime (1895165222507) by changing a digit.

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, 757156249 + ... + 757158751.

Almost surely, 2^{1895165222500} is an apocalyptic number.

1895165222500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1895165222500 is the 1376650-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1895165222500

1895165222500 is an abundant number, since it is smaller than the sum of its proper divisors (2662012422443).

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

1895165222500 is an frugal number, since it uses more digits than its factorization.

1895165222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 1895165222500 in words is "one trillion, eight hundred ninety-five billion, one hundred sixty-five million, two hundred twenty-two thousand, five hundred".