1516544656340 has 48 divisors (see below), whose sum is σ = 3724351542912. Its totient is φ = 507866115456.

The previous prime is 1516544656267. The next prime is 1516544656369. The reversal of 1516544656340 is 436564456151.

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 15 ways as a sum of consecutive naturals, for example, 125952839 + ... + 125964878.

It is an arithmetic number, because the mean of its divisors is an integer number (77590657144).

Almost surely, 2^{1516544656340} is an apocalyptic number.

1516544656340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516544656340 is an abundant number, since it is smaller than the sum of its proper divisors (2207806886572).

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

1516544656340 is a wasteful number, since it uses less digits than its factorization.

1516544656340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251917776 (or 251917774 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 1516544656340 in words is "one trillion, five hundred sixteen billion, five hundred forty-four million, six hundred fifty-six thousand, three hundred forty".