61850809160 has 64 divisors (see below), whose sum is σ = 159310005120. Its totient is φ = 21170649600.

The previous prime is 61850809157. The next prime is 61850809169. The reversal of 61850809160 is 6190805816.

It is not an unprimeable number, because it can be changed into a prime (61850809169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15494 + ... + 352053.

It is an arithmetic number, because the mean of its divisors is an integer number (2489218830).

Almost surely, 2^61850809160 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 61850809160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79655002560).

61850809160 is an abundant number, since it is smaller than the sum of its proper divisors (97459195960).

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

61850809160 is a wasteful number, since it uses less digits than its factorization.

61850809160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368166 (or 368162 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 61850809160 in words is "sixty-one billion, eight hundred fifty million, eight hundred nine thousand, one hundred sixty".