2016056764800 has 1152 divisors, whose sum is σ = 8297328312000. Its totient is φ = 461690634240.

The previous prime is 2016056764769. The next prime is 2016056764807. The reversal of 2016056764800 is 84676506102.

2016056764800 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 0 + 567 + 6 + 4 + 80 + 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 not an unprimeable number, because it can be changed into a prime (2016056764807) 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 143 ways as a sum of consecutive naturals, for example, 566465421 + ... + 566468979.

Almost surely, 2^{2016056764800} is an apocalyptic number.

2016056764800 is a gapful number since it is divisible by the number (20) 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 2016056764800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4148664156000).

2016056764800 is an abundant number, since it is smaller than the sum of its proper divisors (6281271547200).

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

2016056764800 is a wasteful number, since it uses less digits than its factorization.

2016056764800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 2016056764800 in words is "two trillion, sixteen billion, fifty-six million, seven hundred sixty-four thousand, eight hundred".