61650000606 has 32 divisors (see below), whose sum is σ = 129832940160. Its totient is φ = 19461901536.

The previous prime is 61650000497. The next prime is 61650000611. The reversal of 61650000606 is 60600005616.

It is a Curzon 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, 257185 + ... + 435251.

It is an arithmetic number, because the mean of its divisors is an integer number (4057279380).

Almost surely, 2^61650000606 is an apocalyptic number.

61650000606 is an abundant number, since it is smaller than the sum of its proper divisors (68182939554).

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

61650000606 is a wasteful number, since it uses less digits than its factorization.

61650000606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181128.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 61650000606 in words is "sixty-one billion, six hundred fifty million, six hundred six", and thus it is an aban number.