671337248904 has 512 divisors, whose sum is σ = 2293963776000. Its totient is φ = 179886873600.

The previous prime is 671337248899. The next prime is 671337248909. The reversal of 671337248904 is 409842733176.

671337248904 is a `hidden beast` number, since 67 + 1 + 33 + 72 + 489 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (671337248899) and next prime (671337248909).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (671337248909) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 239676304 + ... + 239679104.

It is an arithmetic number, because the mean of its divisors is an integer number (4480398000).

Almost surely, 2^671337248904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671337248904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146981888000).

671337248904 is an abundant number, since it is smaller than the sum of its proper divisors (1622626527096).

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

671337248904 is a wasteful number, since it uses less digits than its factorization.

671337248904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 671337248904 in words is "six hundred seventy-one billion, three hundred thirty-seven million, two hundred forty-eight thousand, nine hundred four".