671157734404304 has 120 divisors (see below), whose sum is σ = 1517648298845760. Its totient is φ = 286693967572992.

The previous prime is 671157734404301. The next prime is 671157734404307. The reversal of 671157734404304 is 403404437751176.

It is an interprime number because it is at equal distance from previous prime (671157734404301) and next prime (671157734404307).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 671157734404304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671157734404301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457748912 + ... + 459212784.

It is an arithmetic number, because the mean of its divisors is an integer number (12647069157048).

Almost surely, 2^{671157734404304} 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 671157734404304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758824149422880).

671157734404304 is an abundant number, since it is smaller than the sum of its proper divisors (846490564441456).

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

671157734404304 is a wasteful number, since it uses less digits than its factorization.

671157734404304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465817 (or 1465804 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 671157734404304 in words is "six hundred seventy-one trillion, one hundred fifty-seven billion, seven hundred thirty-four million, four hundred four thousand, three hundred four".