61765315068 has 24 divisors (see below), whose sum is σ = 147470675968. Its totient is φ = 20109637296.

The previous prime is 61765315067. The next prime is 61765315081. The reversal of 61765315068 is 86051356716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61765315067) 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, 59849596 + ... + 59850627.

Almost surely, 2^61765315068 is an apocalyptic number.

It is an amenable number.

61765315068 is an abundant number, since it is smaller than the sum of its proper divisors (85705360900).

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

61765315068 is a wasteful number, since it uses less digits than its factorization.

61765315068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119700273 (or 119700271 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 61765315068 in words is "sixty-one billion, seven hundred sixty-five million, three hundred fifteen thousand, sixty-eight".