61841041968 has 20 divisors (see below), whose sum is σ = 159756025208. Its totient is φ = 20613680640.

The previous prime is 61841041963. The next prime is 61841042027. The reversal of 61841041968 is 86914014816.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1288355041 = 61841041968 / (6 + 1 + 8 + 4 + 1 + 0 + 4 + 1 + 9 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (61841041963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644177473 + ... + 644177568.

Almost surely, 2^61841041968 is an apocalyptic number.

It is an amenable number.

61841041968 is an abundant number, since it is smaller than the sum of its proper divisors (97914983240).

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

61841041968 is a wasteful number, since it uses less digits than its factorization.

61841041968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288355052 (or 1288355046 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 61841041968 in words is "sixty-one billion, eight hundred forty-one million, forty-one thousand, nine hundred sixty-eight".