11738662648 has 8 divisors (see below), whose sum is σ = 22009992480. Its totient is φ = 5869331320.

The previous prime is 11738662643. The next prime is 11738662681. The reversal of 11738662648 is 84626683711.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11738662595 and 11738662604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11738662643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733666408 + ... + 733666423.

It is an arithmetic number, because the mean of its divisors is an integer number (2751249060).

Almost surely, 2^11738662648 is an apocalyptic number.

It is an amenable number.

11738662648 is a deficient number, since it is larger than the sum of its proper divisors (10271329832).

11738662648 is a wasteful number, since it uses less digits than its factorization.

11738662648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467332837 (or 1467332833 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 11738662648 in words is "eleven billion, seven hundred thirty-eight million, six hundred sixty-two thousand, six hundred forty-eight".