61116172448 has 24 divisors (see below), whose sum is σ = 123120664128. Its totient is φ = 29847432384.

The previous prime is 61116172433. The next prime is 61116172459. The reversal of 61116172448 is 84427161116.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22206536 + ... + 22209287.

It is an arithmetic number, because the mean of its divisors is an integer number (5130027672).

Almost surely, 2^61116172448 is an apocalyptic number.

It is an amenable number.

61116172448 is an abundant number, since it is smaller than the sum of its proper divisors (62004491680).

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

61116172448 is a wasteful number, since it uses less digits than its factorization.

61116172448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44415876 (or 44415868 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The spelling of 61116172448 in words is "sixty-one billion, one hundred sixteen million, one hundred seventy-two thousand, four hundred forty-eight".