61016448 has 64 divisors (see below), whose sum is σ = 170625600. Its totient is φ = 19266048.

The previous prime is 61016419. The next prime is 61016453. The reversal of 61016448 is 84461016.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 3115 + ... + 11477.

It is an arithmetic number, because the mean of its divisors is an integer number (2666025).

Almost surely, 2^61016448 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 61016448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85312800).

61016448 is an abundant number, since it is smaller than the sum of its proper divisors (109609152).

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

61016448 is a wasteful number, since it uses less digits than its factorization.

61016448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399 (or 8387 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 61016448 is about 7811.3025802359. The cubic root of 61016448 is about 393.6850962813.

The spelling of 61016448 in words is "sixty-one million, sixteen thousand, four hundred forty-eight".