671915832000 has 672 divisors, whose sum is σ = 2606911459776. Its totient is φ = 152033280000.

The previous prime is 671915831999. The next prime is 671915832013. The reversal of 671915832000 is 238519176.

It is a tau number, because it is divible by the number of its divisors (672).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 118773172 + ... + 118778828.

Almost surely, 2^671915832000 is an apocalyptic number.

671915832000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671915832000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303455729888).

671915832000 is an abundant number, since it is smaller than the sum of its proper divisors (1934995627776).

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

671915832000 is a wasteful number, since it uses less digits than its factorization.

671915832000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 671915832000 in words is "six hundred seventy-one billion, nine hundred fifteen million, eight hundred thirty-two thousand".