1516063956720 has 80 divisors (see below), whose sum is σ = 4752605054880. Its totient is φ = 399741202432.

The previous prime is 1516063956661. The next prime is 1516063956727. The reversal of 1516063956720 is 276593606151.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516063956727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35467029 + ... + 35509748.

It is an arithmetic number, because the mean of its divisors is an integer number (59407563186).

Almost surely, 2^{1516063956720} is an apocalyptic number.

1516063956720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516063956720 is an abundant number, since it is smaller than the sum of its proper divisors (3236541098160).

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

1516063956720 is a wasteful number, since it uses less digits than its factorization.

1516063956720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70976882 (or 70976876 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 1516063956720 in words is "one trillion, five hundred sixteen billion, sixty-three million, nine hundred fifty-six thousand, seven hundred twenty".