675632180820 has 96 divisors (see below), whose sum is σ = 2003260896000. Its totient is φ = 169552635904.

The previous prime is 675632180809. The next prime is 675632180897. The reversal of 675632180820 is 28081236576.

It is a self number, because there is not a number n which added to its sum of digits gives 675632180820.

It is a congruent number.

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, 11597926 + ... + 11656034.

It is an arithmetic number, because the mean of its divisors is an integer number (20867301000).

Almost surely, 2^675632180820 is an apocalyptic number.

675632180820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

675632180820 is an abundant number, since it is smaller than the sum of its proper divisors (1327628715180).

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

675632180820 is a wasteful number, since it uses less digits than its factorization.

675632180820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69537 (or 69535 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 675632180820 in words is "six hundred seventy-five billion, six hundred thirty-two million, one hundred eighty thousand, eight hundred twenty".