670321202123076 has 144 divisors (see below), whose sum is σ = 1825235422166016. Its totient is φ = 190911529682496.

The previous prime is 670321202123071. The next prime is 670321202123081.

670321202123076 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (670321202123071) and next prime (670321202123081).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (670321202123071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252678231 + ... + 255317313.

It is an arithmetic number, because the mean of its divisors is an integer number (12675245987264).

Almost surely, 2^{670321202123076} 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 670321202123076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912617711083008).

670321202123076 is an abundant number, since it is smaller than the sum of its proper divisors (1154914220042940).

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

670321202123076 is a wasteful number, since it uses less digits than its factorization.

670321202123076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640478 (or 2640469 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

It can be divided in two parts, 67032120 and 2123076, that added together give a palindrome (69155196).

The spelling of 670321202123076 in words is "six hundred seventy trillion, three hundred twenty-one billion, two hundred two million, one hundred twenty-three thousand, seventy-six".