16265000000 has 112 divisors (see below), whose sum is σ = 40357123248. Its totient is φ = 6504000000.

The previous prime is 16264999991. The next prime is 16265000021. The reversal of 16265000000 is 56261.

It can be written as a sum of positive squares in 8 ways, for example, as 15952700416 + 312299584 = 126304^2 + 17672^2 .

It is a sliding number, since 16265000000 = 640000000 + 15625000000 and 1/640000000 + 1/15625000000 = 0.0000000016265000000.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998374 + ... + 5001626.

Almost surely, 2^16265000000 is an apocalyptic number.

16265000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16265000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20178561624).

16265000000 is an abundant number, since it is smaller than the sum of its proper divisors (24092123248).

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

16265000000 is an frugal number, since it uses more digits than its factorization.

16265000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 16265000000 its reverse (56261), we get a palindrome (16265056261).

The spelling of 16265000000 in words is "sixteen billion, two hundred sixty-five million", and thus it is an aban number.