61648896 has 104 divisors (see below), whose sum is σ = 171028080. Its totient is φ = 19726336.

The previous prime is 61648889. The next prime is 61648907. The reversal of 61648896 is 69884616.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356266 + ... + 356438.

Almost surely, 2^61648896 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 61648896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85514040).

61648896 is an abundant number, since it is smaller than the sum of its proper divisors (109379184).

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

61648896 is a wasteful number, since it uses less digits than its factorization.

61648896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 207 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 61648896 is about 7851.6810938805. The cubic root of 61648896 is about 395.0406324702.

The spelling of 61648896 in words is "sixty-one million, six hundred forty-eight thousand, eight hundred ninety-six".