537221075621060 has 96 divisors (see below), whose sum is σ = 1199419778941440. Its totient is φ = 201551568910848.

The previous prime is 537221075621053. The next prime is 537221075621093. The reversal of 537221075621060 is 60126570122735.

It is a junction number, because it is equal to n+sod(n) for n = 537221075620996 and 537221075621014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271829 + ... + 32779811.

It is an arithmetic number, because the mean of its divisors is an integer number (12493956030640).

Almost surely, 2^{537221075621060} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537221075621060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599709889470720).

537221075621060 is an abundant number, since it is smaller than the sum of its proper divisors (662198703320380).

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

537221075621060 is a wasteful number, since it uses less digits than its factorization.

537221075621060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32508445 (or 32508443 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 537221075621060 in words is "five hundred thirty-seven trillion, two hundred twenty-one billion, seventy-five million, six hundred twenty-one thousand, sixty".