671222230476 has 48 divisors (see below), whose sum is σ = 1789966182144. Its totient is φ = 191773469376.

The previous prime is 671222230423. The next prime is 671222230519. The reversal of 671222230476 is 674032222176.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6768466 + ... + 6866918.

It is an arithmetic number, because the mean of its divisors is an integer number (37290962128).

Almost surely, 2^671222230476 is an apocalyptic number.

It is an amenable number.

671222230476 is an abundant number, since it is smaller than the sum of its proper divisors (1118743951668).

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

671222230476 is a wasteful number, since it uses less digits than its factorization.

671222230476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179630 (or 179628 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 671222230476 in words is "six hundred seventy-one billion, two hundred twenty-two million, two hundred thirty thousand, four hundred seventy-six".