61630030644210 has 288 divisors, whose sum is σ = 191539792634112. Its totient is φ = 13466434060800.

The previous prime is 61630030644209. The next prime is 61630030644241. The reversal of 61630030644210 is 1244603003616.

61630030644210 is a `hidden beast` number, since 6 + 1 + 6 + 3 + 0 + 0 + 3 + 0 + 644 + 2 + 1 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 52936987 + ... + 54088673.

It is an arithmetic number, because the mean of its divisors is an integer number (665068724424).

Almost surely, 2^{61630030644210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61630030644210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95769896317056).

61630030644210 is an abundant number, since it is smaller than the sum of its proper divisors (129909761989902).

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

61630030644210 is a wasteful number, since it uses less digits than its factorization.

61630030644210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151866 (or 1151834 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 61630030644210 its reverse (1244603003616), we get a palindrome (62874633647826).

The spelling of 61630030644210 in words is "sixty-one trillion, six hundred thirty billion, thirty million, six hundred forty-four thousand, two hundred ten".