61816832 has 120 divisors (see below), whose sum is σ = 157281600. Its totient is φ = 24084480.

The previous prime is 61816831. The next prime is 61816841. The reversal of 61816832 is 23861816.

It is a junction number, because it is equal to n+sod(n) for n = 61816792 and 61816801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61816831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5619707 + ... + 5619717.

It is an arithmetic number, because the mean of its divisors is an integer number (1310680).

Almost surely, 2^61816832 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 61816832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78640800).

61816832 is an abundant number, since it is smaller than the sum of its proper divisors (95464768).

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

61816832 is an frugal number, since it uses more digits than its factorization.

61816832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 20 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 61816832 is about 7862.3680911033. The cubic root of 61816832 is about 395.3990135565.

The spelling of 61816832 in words is "sixty-one million, eight hundred sixteen thousand, eight hundred thirty-two".