1602016538 has 4 divisors (see below), whose sum is σ = 2403024810. Its totient is φ = 801008268.

The previous prime is 1602016529. The next prime is 1602016601. The reversal of 1602016538 is 8356102061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8356102061 = 4211 ⋅1984351.

It can be written as a sum of positive squares in only one way, i.e., 871017169 + 730999369 = 29513^2 + 27037^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 400504133 + ... + 400504136.

Almost surely, 2^1602016538 is an apocalyptic number.

1602016538 is a deficient number, since it is larger than the sum of its proper divisors (801008272).

1602016538 is an equidigital number, since it uses as much as digits as its factorization.

1602016538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801008271.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1602016538 is about 40025.1987877637. The cubic root of 1602016538 is about 1170.0982550742.

Adding to 1602016538 its reverse (8356102061), we get a palindrome (9958118599).

The spelling of 1602016538 in words is "one billion, six hundred two million, sixteen thousand, five hundred thirty-eight".