61081848 has 24 divisors (see below), whose sum is σ = 165430200. Its totient is φ = 20360592.

The previous prime is 61081847. The next prime is 61081877. The reversal of 61081848 is 84818016.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61081847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424108 + ... + 424251.

It is an arithmetic number, because the mean of its divisors is an integer number (6892925).

Almost surely, 2^61081848 is an apocalyptic number.

It is an amenable number.

61081848 is an abundant number, since it is smaller than the sum of its proper divisors (104348352).

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

61081848 is a wasteful number, since it uses less digits than its factorization.

61081848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848371 (or 848364 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 61081848 is about 7815.4877007132. The cubic root of 61081848 is about 393.8257021491.

The spelling of 61081848 in words is "sixty-one million, eighty-one thousand, eight hundred forty-eight".