1544385816016 has 40 divisors (see below), whose sum is σ = 3145136180544. Its totient is φ = 733227897600.

The previous prime is 1544385816011. The next prime is 1544385816023. The reversal of 1544385816016 is 6106185834451.

It is a super-2 number, since 2×1544385816016² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1544385816011) 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 7 ways as a sum of consecutive naturals, for example, 15266010 + ... + 15366841.

Almost surely, 2^{1544385816016} is an apocalyptic number.

1544385816016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1544385816016 is an abundant number, since it is smaller than the sum of its proper divisors (1600750364528).

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

1544385816016 is a wasteful number, since it uses less digits than its factorization.

1544385816016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30633019 (or 30633013 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 1544385816016 in words is "one trillion, five hundred forty-four billion, three hundred eighty-five million, eight hundred sixteen thousand, sixteen".