61065270304 has 96 divisors (see below), whose sum is σ = 125720562240. Its totient is φ = 29161036800.

The previous prime is 61065270247. The next prime is 61065270311. The reversal of 61065270304 is 40307256016.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61065270304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35440387 + ... + 35442109.

It is an arithmetic number, because the mean of its divisors is an integer number (1309589190).

Almost surely, 2^61065270304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61065270304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62860281120).

61065270304 is an abundant number, since it is smaller than the sum of its proper divisors (64655291936).

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

61065270304 is a wasteful number, since it uses less digits than its factorization.

61065270304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 61065270304 in words is "sixty-one billion, sixty-five million, two hundred seventy thousand, three hundred four".