1602500000 has 96 divisors (see below), whose sum is σ = 3949794576. Its totient is φ = 640000000.

The previous prime is 1602499991. The next prime is 1602500017. The reversal of 1602500000 is 52061.

It can be written as a sum of positive squares in 8 ways, for example, as 1202979856 + 399520144 = 34684^2 + 19988^2 .

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, 2499680 + ... + 2500320.

Almost surely, 2^1602500000 is an apocalyptic number.

1602500000 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 1602500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974897288).

1602500000 is an abundant number, since it is smaller than the sum of its proper divisors (2347294576).

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

1602500000 is an frugal number, since it uses more digits than its factorization.

1602500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1602500000 is about 40031.2378024962. The cubic root of 1602500000 is about 1170.2159486462.

Adding to 1602500000 its reverse (52061), we get a palindrome (1602552061).

It can be divided in two parts, 160 and 2500000, that multiplied together give a square (400000000 = 20000²).

The spelling of 1602500000 in words is "one billion, six hundred two million, five hundred thousand".