61844892268 has 24 divisors (see below), whose sum is σ = 112015547280. Its totient is φ = 29841497280.

The previous prime is 61844892253. The next prime is 61844892283. The reversal of 61844892268 is 86229844816.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61844892253) and next prime (61844892283).

It is a Harshad number since it is a multiple of its sum of digits (58).

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 7 ways as a sum of consecutive naturals, for example, 108303 + ... + 367993.

It is an arithmetic number, because the mean of its divisors is an integer number (4667314470).

Almost surely, 2^61844892268 is an apocalyptic number.

It is an amenable number.

61844892268 is a deficient number, since it is larger than the sum of its proper divisors (50170655012).

61844892268 is a wasteful number, since it uses less digits than its factorization.

61844892268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261777 (or 261775 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 58.

The spelling of 61844892268 in words is "sixty-one billion, eight hundred forty-four million, eight hundred ninety-two thousand, two hundred sixty-eight".