61630084826 has 8 divisors (see below), whose sum is σ = 92500521780. Its totient is φ = 30796577568.

The previous prime is 61630084823. The next prime is 61630084877. The reversal of 61630084826 is 62848003616.

It can be written as a sum of positive squares in 2 ways, for example, as 55755015625 + 5875069201 = 236125^2 + 76649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61630084823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9228251 + ... + 9234926.

Almost surely, 2^61630084826 is an apocalyptic number.

61630084826 is a deficient number, since it is larger than the sum of its proper divisors (30870436954).

61630084826 is a wasteful number, since it uses less digits than its factorization.

61630084826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18464848.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 61630084826 in words is "sixty-one billion, six hundred thirty million, eighty-four thousand, eight hundred twenty-six".