1653544036 has 24 divisors (see below), whose sum is σ = 2959721856. Its totient is φ = 807962400.

The previous prime is 1653544033. The next prime is 1653544043. The reversal of 1653544036 is 6304453561.

It is a junction number, because it is equal to n+sod(n) for n = 1653543986 and 1653544004.

It is not an unprimeable number, because it can be changed into a prime (1653544031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125515 + ... + 138061.

It is an arithmetic number, because the mean of its divisors is an integer number (123321744).

Almost surely, 2^1653544036 is an apocalyptic number.

It is an amenable number.

1653544036 is a deficient number, since it is larger than the sum of its proper divisors (1306177820).

1653544036 is a wasteful number, since it uses less digits than its factorization.

1653544036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299 (or 13297 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 1653544036 is about 40663.7926907956. The cubic root of 1653544036 is about 1182.5111789845.

Adding to 1653544036 its reverse (6304453561), we get a palindrome (7957997597).

The spelling of 1653544036 in words is "one billion, six hundred fifty-three million, five hundred forty-four thousand, thirty-six".