1555606001648 has 10 divisors (see below), whose sum is σ = 3013986628224. Its totient is φ = 777803000816.

The previous prime is 1555606001639. The next prime is 1555606001659. The reversal of 1555606001648 is 8461006065551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48612687536 + ... + 48612687567.

Almost surely, 2^{1555606001648} is an apocalyptic number.

It is an amenable number.

1555606001648 is a deficient number, since it is larger than the sum of its proper divisors (1458380626576).

1555606001648 is an equidigital number, since it uses as much as digits as its factorization.

1555606001648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97225375111 (or 97225375105 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 1555606001648 in words is "one trillion, five hundred fifty-five billion, six hundred six million, one thousand, six hundred forty-eight".