431166521025064 has 32 divisors (see below), whose sum is σ = 881933579733600. Its totient is φ = 195984324627520.

The previous prime is 431166521025013. The next prime is 431166521025083. The reversal of 431166521025064 is 460520125661134.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33713919 + ... + 44709745.

It is an arithmetic number, because the mean of its divisors is an integer number (27560424366675).

Almost surely, 2^{431166521025064} is an apocalyptic number.

431166521025064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431166521025064 is an abundant number, since it is smaller than the sum of its proper divisors (450767058708536).

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

431166521025064 is a wasteful number, since it uses less digits than its factorization.

431166521025064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441433 (or 11441429 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

Adding to 431166521025064 its reverse (460520125661134), we get a palindrome (891686646686198).

The spelling of 431166521025064 in words is "four hundred thirty-one trillion, one hundred sixty-six billion, five hundred twenty-one million, twenty-five thousand, sixty-four".