61928416 has 96 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 25958400.

The previous prime is 61928393. The next prime is 61928431. The reversal of 61928416 is 61482916.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472671 + ... + 472801.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^61928416 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 61928416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

61928416 is an abundant number, since it is smaller than the sum of its proper divisors (81772064).

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

61928416 is a wasteful number, since it uses less digits than its factorization.

61928416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 240 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 61928416 is about 7869.4609726461. The cubic root of 61928416 is about 395.6367788055.

The spelling of 61928416 in words is "sixty-one million, nine hundred twenty-eight thousand, four hundred sixteen".