2016537764800 has 84 divisors (see below), whose sum is σ = 5343631233976. Its totient is φ = 744567782400.

The previous prime is 2016537764767. The next prime is 2016537764803. The reversal of 2016537764800 is 84677356102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016537764803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48453666 + ... + 48495265.

Almost surely, 2^{2016537764800} is an apocalyptic number.

2016537764800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016537764800 is an abundant number, since it is smaller than the sum of its proper divisors (3327093469176).

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

2016537764800 is a wasteful number, since it uses less digits than its factorization.

2016537764800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96948966 (or 96948951 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 2016537764800 in words is "two trillion, sixteen billion, five hundred thirty-seven million, seven hundred sixty-four thousand, eight hundred".