61012017160 has 32 divisors (see below), whose sum is σ = 140469531840. Its totient is φ = 23837252544.

The previous prime is 61012017151. The next prime is 61012017163. The reversal of 61012017160 is 6171021016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61012017163) 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, 17734332 + ... + 17737771.

It is an arithmetic number, because the mean of its divisors is an integer number (4389672870).

Almost surely, 2^61012017160 is an apocalyptic number.

It is an amenable number.

61012017160 is an abundant number, since it is smaller than the sum of its proper divisors (79457514680).

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

61012017160 is a wasteful number, since it uses less digits than its factorization.

61012017160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35472157 (or 35472153 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 61012017160 its reverse (6171021016), we get a palindrome (67183038176).

The spelling of 61012017160 in words is "sixty-one billion, twelve million, seventeen thousand, one hundred sixty".