2650016500 has 24 divisors (see below), whose sum is σ = 5787637128. Its totient is φ = 1060006400.

The previous prime is 2650016497. The next prime is 2650016543. The reversal of 2650016500 is 56100562.

It can be written as a sum of positive squares in 4 ways, for example, as 804970384 + 1845046116 = 28372^2 + 42954^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649517 + ... + 2650516.

It is an arithmetic number, because the mean of its divisors is an integer number (241151547).

Almost surely, 2^2650016500 is an apocalyptic number.

2650016500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650016500 is an abundant number, since it is smaller than the sum of its proper divisors (3137620628).

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

2650016500 is a wasteful number, since it uses less digits than its factorization.

2650016500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300052 (or 5300040 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2650016500 is about 51478.3109668528. The cubic root of 2650016500 is about 1383.8303757333.

The spelling of 2650016500 in words is "two billion, six hundred fifty million, sixteen thousand, five hundred".