2128037156636 has 24 divisors (see below), whose sum is σ = 3762566554656. Its totient is φ = 1053018777600.

The previous prime is 2128037156633. The next prime is 2128037156659. The reversal of 2128037156636 is 6366517308212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128037156633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19559540 + ... + 19668036.

It is an arithmetic number, because the mean of its divisors is an integer number (156773606444).

Almost surely, 2^{2128037156636} is an apocalyptic number.

It is an amenable number.

2128037156636 is a deficient number, since it is larger than the sum of its proper divisors (1634529398020).

2128037156636 is a wasteful number, since it uses less digits than its factorization.

2128037156636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159149 (or 159147 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 2128037156636 in words is "two trillion, one hundred twenty-eight billion, thirty-seven million, one hundred fifty-six thousand, six hundred thirty-six".