61619096 has 64 divisors (see below), whose sum is σ = 146292480. Its totient is φ = 23633280.

The previous prime is 61619087. The next prime is 61619111. The reversal of 61619096 is 69091616.

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, 40526 + ... + 42018.

It is an arithmetic number, because the mean of its divisors is an integer number (2285820).

Almost surely, 2^61619096 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 61619096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73146240).

61619096 is an abundant number, since it is smaller than the sum of its proper divisors (84673384).

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

61619096 is a wasteful number, since it uses less digits than its factorization.

61619096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 61619096 is about 7849.7831817191. The cubic root of 61619096 is about 394.9769702965.

The spelling of 61619096 in words is "sixty-one million, six hundred nineteen thousand, ninety-six".