1591638913148 has 18 divisors (see below), whose sum is σ = 2911736408784. Its totient is φ = 761218609624.

The previous prime is 1591638913141. The next prime is 1591638913153. The reversal of 1591638913148 is 8413198361951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591638913141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376094036 + ... + 376098267.

Almost surely, 2^{1591638913148} is an apocalyptic number.

It is an amenable number.

1591638913148 is a deficient number, since it is larger than the sum of its proper divisors (1320097495636).

1591638913148 is a wasteful number, since it uses less digits than its factorization.

1591638913148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752192353 (or 752192328 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The spelling of 1591638913148 in words is "one trillion, five hundred ninety-one billion, six hundred thirty-eight million, nine hundred thirteen thousand, one hundred forty-eight".