61435416 has 128 divisors (see below), whose sum is σ = 190080000. Its totient is φ = 16482816.

The previous prime is 61435373. The next prime is 61435421. The reversal of 61435416 is 61453416.

61435416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139725 + ... + 140163.

It is an arithmetic number, because the mean of its divisors is an integer number (1485000).

Almost surely, 2^61435416 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 61435416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95040000).

61435416 is an abundant number, since it is smaller than the sum of its proper divisors (128644584).

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

61435416 is a wasteful number, since it uses less digits than its factorization.

61435416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 468 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 61435416 is about 7838.0747636138. The cubic root of 61435416 is about 394.5841181799.

The spelling of 61435416 in words is "sixty-one million, four hundred thirty-five thousand, four hundred sixteen".