671577524620 has 12 divisors (see below), whose sum is σ = 1410312801744. Its totient is φ = 268631009840.

The previous prime is 671577524551. The next prime is 671577524669. The reversal of 671577524620 is 26425775176.

It is a super-2 number, since 2×671577524620² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16789438096 + ... + 16789438135.

It is an arithmetic number, because the mean of its divisors is an integer number (117526066812).

Almost surely, 2^671577524620 is an apocalyptic number.

It is an amenable number.

671577524620 is an abundant number, since it is smaller than the sum of its proper divisors (738735277124).

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

671577524620 is a wasteful number, since it uses less digits than its factorization.

671577524620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33578876240 (or 33578876238 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 671577524620 in words is "six hundred seventy-one billion, five hundred seventy-seven million, five hundred twenty-four thousand, six hundred twenty".