61832561340 has 96 divisors (see below), whose sum is σ = 189233936640. Its totient is φ = 14960857600.

The previous prime is 61832561333. The next prime is 61832561443. The reversal of 61832561340 is 4316523816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253951 + ... + 433769.

It is an arithmetic number, because the mean of its divisors is an integer number (1971186840).

Almost surely, 2^61832561340 is an apocalyptic number.

61832561340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61832561340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94616968320).

61832561340 is an abundant number, since it is smaller than the sum of its proper divisors (127401375300).

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

61832561340 is a wasteful number, since it uses less digits than its factorization.

61832561340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180363 (or 180361 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 61832561340 in words is "sixty-one billion, eight hundred thirty-two million, five hundred sixty-one thousand, three hundred forty".