61822245464 has 32 divisors (see below), whose sum is σ = 133104115200. Its totient is φ = 26369673120.

The previous prime is 61822245439. The next prime is 61822245469. The reversal of 61822245464 is 46454222816.

It is a super-2 number, since 2×61822245464² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61822245469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604224 + ... + 2627855.

It is an arithmetic number, because the mean of its divisors is an integer number (4159503600).

Almost surely, 2^61822245464 is an apocalyptic number.

It is an amenable number.

61822245464 is an abundant number, since it is smaller than the sum of its proper divisors (71281869736).

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

61822245464 is a wasteful number, since it uses less digits than its factorization.

61822245464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232303 (or 5232299 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The spelling of 61822245464 in words is "sixty-one billion, eight hundred twenty-two million, two hundred forty-five thousand, four hundred sixty-four".