1602405516 has 48 divisors (see below), whose sum is σ = 3976287840. Its totient is φ = 500505600.

The previous prime is 1602405503. The next prime is 1602405521. The reversal of 1602405516 is 6155042061.

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, 29566 + ... + 63866.

It is an arithmetic number, because the mean of its divisors is an integer number (82839330).

Almost surely, 2^1602405516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1602405516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988143920).

1602405516 is an abundant number, since it is smaller than the sum of its proper divisors (2373882324).

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

1602405516 is a wasteful number, since it uses less digits than its factorization.

1602405516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34554 (or 34552 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1602405516 is about 40030.0576567159. The cubic root of 1602405516 is about 1170.1929494040.

Adding to 1602405516 its reverse (6155042061), we get a palindrome (7757447577).

The spelling of 1602405516 in words is "one billion, six hundred two million, four hundred five thousand, five hundred sixteen".