61641384424050 has 192 divisors, whose sum is σ = 168918107906304. Its totient is φ = 14796597657600.

The previous prime is 61641384423989. The next prime is 61641384424097. The reversal of 61641384424050 is 5042448314616.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 624983740 + ... + 625082360.

It is an arithmetic number, because the mean of its divisors is an integer number (879781812012).

Almost surely, 2^{61641384424050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61641384424050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84459053953152).

61641384424050 is an abundant number, since it is smaller than the sum of its proper divisors (107276723482254).

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

61641384424050 is a wasteful number, since it uses less digits than its factorization.

61641384424050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109333 (or 109328 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 61641384424050 in words is "sixty-one trillion, six hundred forty-one billion, three hundred eighty-four million, four hundred twenty-four thousand, fifty".