630973166418 has 160 divisors (see below), whose sum is σ = 1702551312000. Its totient is φ = 170620805376.

The previous prime is 630973166401. The next prime is 630973166419. The reversal of 630973166418 is 814661379036.

It is a happy number.

630973166418 is a `hidden beast` number, since 6 + 309 + 7 + 316 + 6 + 4 + 18 = 666.

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 (630973166419) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22587796 + ... + 22615712.

It is an arithmetic number, because the mean of its divisors is an integer number (10640945700).

Almost surely, 2^630973166418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630973166418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851275656000).

630973166418 is an abundant number, since it is smaller than the sum of its proper divisors (1071578145582).

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

630973166418 is a wasteful number, since it uses less digits than its factorization.

630973166418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006 (or 28997 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 630973166418 in words is "six hundred thirty billion, nine hundred seventy-three million, one hundred sixty-six thousand, four hundred eighteen".