671762199960 has 64 divisors (see below), whose sum is σ = 2239207336800. Its totient is φ = 179136586368.

The previous prime is 671762199947. The next prime is 671762200091. The reversal of 671762199960 is 69991267176.

It is a congruent number.

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, 310999939 + ... + 311002098.

Almost surely, 2^671762199960 is an apocalyptic number.

671762199960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671762199960 is an abundant number, since it is smaller than the sum of its proper divisors (1567445136840).

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

671762199960 is a wasteful number, since it uses less digits than its factorization.

671762199960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622002057 (or 622002047 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 63.

The spelling of 671762199960 in words is "six hundred seventy-one billion, seven hundred sixty-two million, one hundred ninety-nine thousand, nine hundred sixty".