537666020000 has 120 divisors (see below), whose sum is σ = 1323836236800. Its totient is φ = 214888032000.

The previous prime is 537666019949. The next prime is 537666020009. The reversal of 537666020000 is 20666735.

It is not an unprimeable number, because it can be changed into a prime (537666020009) 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 19 ways as a sum of consecutive naturals, for example, 25569491 + ... + 25590509.

It is an arithmetic number, because the mean of its divisors is an integer number (11031968640).

Almost surely, 2^537666020000 is an apocalyptic number.

537666020000 is a gapful number since it is divisible by the number (50) 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 537666020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661918118400).

537666020000 is an abundant number, since it is smaller than the sum of its proper divisors (786170216800).

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

537666020000 is a wasteful number, since it uses less digits than its factorization.

537666020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22328 (or 22305 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 537666020000 its reverse (20666735), we get a palindrome (537686686735).

The spelling of 537666020000 in words is "five hundred thirty-seven billion, six hundred sixty-six million, twenty thousand".