61611264606 has 16 divisors (see below), whose sum is σ = 123867675648. Its totient is φ = 20429563800.

The previous prime is 61611264541. The next prime is 61611264647. The reversal of 61611264606 is 60646211616.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26879860 + ... + 26882151.

It is an arithmetic number, because the mean of its divisors is an integer number (7741729728).

Almost surely, 2^61611264606 is an apocalyptic number.

61611264606 is an abundant number, since it is smaller than the sum of its proper divisors (62256411042).

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

61611264606 is a wasteful number, since it uses less digits than its factorization.

61611264606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53762207.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 61611264606 in words is "sixty-one billion, six hundred eleven million, two hundred sixty-four thousand, six hundred six".