61038016205 has 16 divisors (see below), whose sum is σ = 74343576384. Its totient is φ = 48103885440.

The previous prime is 61038016183. The next prime is 61038016213. The reversal of 61038016205 is 50261083016.

It is a happy number.

It is not a de Polignac number, because 61038016205 - 2¹⁶ = 61037950669 is a prime.

It is a Duffinian 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, 250367 + ... + 429836.

It is an arithmetic number, because the mean of its divisors is an integer number (4646473524).

Almost surely, 2^61038016205 is an apocalyptic number.

It is an amenable number.

61038016205 is a deficient number, since it is larger than the sum of its proper divisors (13305560179).

61038016205 is a wasteful number, since it uses less digits than its factorization.

61038016205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680476.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 61038016205 in words is "sixty-one billion, thirty-eight million, sixteen thousand, two hundred five".