532897165581 has 24 divisors (see below), whose sum is σ = 823400731104. Its totient is φ = 303969857280.

The previous prime is 532897165571. The next prime is 532897165583. The reversal of 532897165581 is 185561798235.

It is not a de Polignac number, because 532897165581 - 2¹⁸ = 532896903437 is a prime.

It is a super-2 number, since 2×532897165581² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532897165583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27928870 + ... + 27947943.

It is an arithmetic number, because the mean of its divisors is an integer number (34308363796).

Almost surely, 2^532897165581 is an apocalyptic number.

532897165581 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

532897165581 is a deficient number, since it is larger than the sum of its proper divisors (290503565523).

532897165581 is a wasteful number, since it uses less digits than its factorization.

532897165581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55876861 (or 55876844 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 60.

The spelling of 532897165581 in words is "five hundred thirty-two billion, eight hundred ninety-seven million, one hundred sixty-five thousand, five hundred eighty-one".