671052444513522 has 32 divisors (see below), whose sum is σ = 1412744018212800. Its totient is φ = 211910993803008.

The previous prime is 671052444513487. The next prime is 671052444513547. The reversal of 671052444513522 is 225315444250176.

It is a super-2 number, since 2×671052444513522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83393254 + ... + 91085342.

It is an arithmetic number, because the mean of its divisors is an integer number (44148250569150).

Almost surely, 2^{671052444513522} is an apocalyptic number.

671052444513522 is an abundant number, since it is smaller than the sum of its proper divisors (741691573699278).

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

671052444513522 is a wasteful number, since it uses less digits than its factorization.

671052444513522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457370.

The product of its (nonzero) digits is 8064000, while the sum is 51.

Adding to 671052444513522 its reverse (225315444250176), we get a palindrome (896367888763698).

The spelling of 671052444513522 in words is "six hundred seventy-one trillion, fifty-two billion, four hundred forty-four million, five hundred thirteen thousand, five hundred twenty-two".