61646848 has 48 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 29798400.

The previous prime is 61646833. The next prime is 61646857. The reversal of 61646848 is 84864616.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

Its product of digits (221184) is a multiple of the sum of its prime factors (1024).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63003 + ... + 63973.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^61646848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61646848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63685440).

61646848 is an abundant number, since it is smaller than the sum of its proper divisors (65724032).

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

61646848 is an equidigital number, since it uses as much as digits as its factorization.

61646848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1004 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 61646848 is about 7851.5506748667. The cubic root of 61646848 is about 395.0362579546.

The spelling of 61646848 in words is "sixty-one million, six hundred forty-six thousand, eight hundred forty-eight".