66015151060 has 96 divisors (see below), whose sum is σ = 149120600832. Its totient is φ = 24458864640.

The previous prime is 66015151049. The next prime is 66015151067. The reversal of 66015151060 is 6015151066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66015151067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15519894 + ... + 15524146.

It is an arithmetic number, because the mean of its divisors is an integer number (1553339592).

Almost surely, 2^66015151060 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 66015151060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74560300416).

66015151060 is an abundant number, since it is smaller than the sum of its proper divisors (83105449772).

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

66015151060 is a wasteful number, since it uses less digits than its factorization.

66015151060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 66015151060 in words is "sixty-six billion, fifteen million, one hundred fifty-one thousand, sixty".