61342665630 has 32 divisors (see below), whose sum is σ = 147299979168. Its totient is φ = 16349424000.

The previous prime is 61342665611. The next prime is 61342665691. The reversal of 61342665630 is 3656624316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480781 + ... + 594840.

It is an arithmetic number, because the mean of its divisors is an integer number (4603124349).

Almost surely, 2^61342665630 is an apocalyptic number.

61342665630 is an abundant number, since it is smaller than the sum of its proper divisors (85957313538).

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

61342665630 is a wasteful number, since it uses less digits than its factorization.

61342665630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077532.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 61342665630 in words is "sixty-one billion, three hundred forty-two million, six hundred sixty-five thousand, six hundred thirty".