536748221064 has 128 divisors (see below), whose sum is σ = 1512206069760. Its totient is φ = 157286880000.

The previous prime is 536748221059. The next prime is 536748221081. The reversal of 536748221064 is 460122847635.

It is a super-2 number, since 2×536748221064² (a number of 24 digits) contains 22 as substring.

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, 11278359 + ... + 11325849.

It is an arithmetic number, because the mean of its divisors is an integer number (11814109920).

Almost surely, 2^536748221064 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 536748221064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756103034880).

536748221064 is an abundant number, since it is smaller than the sum of its proper divisors (975457848696).

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

536748221064 is a wasteful number, since it uses less digits than its factorization.

536748221064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48923 (or 48919 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 536748221064 in words is "five hundred thirty-six billion, seven hundred forty-eight million, two hundred twenty-one thousand, sixty-four".