1554245635164 has 24 divisors (see below), whose sum is σ = 3626681950080. Its totient is φ = 518066335344.

The previous prime is 1554245635141. The next prime is 1554245635171. The reversal of 1554245635164 is 4615365424551.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1522594 + ... + 2329545.

It is an arithmetic number, because the mean of its divisors is an integer number (151111747920).

Almost surely, 2^{1554245635164} is an apocalyptic number.

It is an amenable number.

1554245635164 is an abundant number, since it is smaller than the sum of its proper divisors (2072436314916).

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

1554245635164 is a wasteful number, since it uses less digits than its factorization.

1554245635164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885769 (or 3885767 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 51.

The spelling of 1554245635164 in words is "one trillion, five hundred fifty-four billion, two hundred forty-five million, six hundred thirty-five thousand, one hundred sixty-four".