671430191146 has 32 divisors (see below), whose sum is σ = 1185649492608. Its totient is φ = 281140424640.

The previous prime is 671430191087. The next prime is 671430191153. The reversal of 671430191146 is 641191034176.

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, 2271045 + ... + 2549608.

It is an arithmetic number, because the mean of its divisors is an integer number (37051546644).

Almost surely, 2^671430191146 is an apocalyptic number.

671430191146 is a deficient number, since it is larger than the sum of its proper divisors (514219301462).

671430191146 is a wasteful number, since it uses less digits than its factorization.

671430191146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821166.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 671430191146 in words is "six hundred seventy-one billion, four hundred thirty million, one hundred ninety-one thousand, one hundred forty-six".