3656662635552 has 24 divisors (see below), whose sum is σ = 9598739418576. Its totient is φ = 1218887545152.

The previous prime is 3656662635539. The next prime is 3656662635569. The reversal of 3656662635552 is 2555362666563.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19045117798 + ... + 19045117989.

It is an arithmetic number, because the mean of its divisors is an integer number (399947475774).

Almost surely, 2^{3656662635552} is an apocalyptic number.

3656662635552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3656662635552 is an abundant number, since it is smaller than the sum of its proper divisors (5942076783024).

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

3656662635552 is a wasteful number, since it uses less digits than its factorization.

3656662635552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38090235800 (or 38090235792 counting only the distinct ones).

The product of its digits is 174960000, while the sum is 60.

The spelling of 3656662635552 in words is "three trillion, six hundred fifty-six billion, six hundred sixty-two million, six hundred thirty-five thousand, five hundred fifty-two".