1516060765440 has 1152 divisors, whose sum is σ = 5982438067200. Its totient is φ = 363334533120.

The previous prime is 1516060765409. The next prime is 1516060765451. The reversal of 1516060765440 is 445670606151.

1516060765440 is a `hidden beast` number, since 1 + 516 + 0 + 60 + 76 + 5 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 127 ways as a sum of consecutive naturals, for example, 3113060877 + ... + 3113061363.

It is an arithmetic number, because the mean of its divisors is an integer number (5193088600).

Almost surely, 2^{1516060765440} is an apocalyptic number.

1516060765440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1516060765440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2991219033600).

1516060765440 is an abundant number, since it is smaller than the sum of its proper divisors (4466377301760).

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

1516060765440 is an equidigital number, since it uses as much as digits as its factorization.

1516060765440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 1516060765440 in words is "one trillion, five hundred sixteen billion, sixty million, seven hundred sixty-five thousand, four hundred forty".