1602540538 has 16 divisors (see below), whose sum is σ = 2451211776. Its totient is φ = 785624400.

The previous prime is 1602540491. The next prime is 1602540553. The reversal of 1602540538 is 8350452061.

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 in 7 ways as a sum of consecutive naturals, for example, 17706 + ... + 59317.

It is an arithmetic number, because the mean of its divisors is an integer number (153200736).

Almost surely, 2^1602540538 is an apocalyptic number.

1602540538 is a deficient number, since it is larger than the sum of its proper divisors (848671238).

1602540538 is a wasteful number, since it uses less digits than its factorization.

1602540538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77229.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1602540538 is about 40031.7441288785. The cubic root of 1602540538 is about 1170.2258161062.

Adding to 1602540538 its reverse (8350452061), we get a palindrome (9952992599).

The spelling of 1602540538 in words is "one billion, six hundred two million, five hundred forty thousand, five hundred thirty-eight".