30661610485 has 8 divisors (see below), whose sum is σ = 40138835616. Its totient is φ = 22299353040.

The previous prime is 30661610461. The next prime is 30661610501. The reversal of 30661610485 is 58401616603.

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

It is a de Polignac number, because none of the positive numbers 2^k-30661610485 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 278741859 + ... + 278741968.

It is an arithmetic number, because the mean of its divisors is an integer number (5017354452).

Almost surely, 2^30661610485 is an apocalyptic number.

It is an amenable number.

30661610485 is a deficient number, since it is larger than the sum of its proper divisors (9477225131).

30661610485 is a wasteful number, since it uses less digits than its factorization.

30661610485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557483843.

The product of its (nonzero) digits is 103680, while the sum is 40.

It can be divided in two parts, 30661 and 610485, that added together give a palindrome (641146).

The spelling of 30661610485 in words is "thirty billion, six hundred sixty-one million, six hundred ten thousand, four hundred eighty-five".