66151502110 has 32 divisors (see below), whose sum is σ = 126235428480. Its totient is φ = 24872796672.

The previous prime is 66151502083. The next prime is 66151502117. The reversal of 66151502110 is 1120515166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66151502117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108630 + ... + 379609.

It is an arithmetic number, because the mean of its divisors is an integer number (3944857140).

Almost surely, 2^66151502110 is an apocalyptic number.

66151502110 is a deficient number, since it is larger than the sum of its proper divisors (60083926370).

66151502110 is a wasteful number, since it uses less digits than its factorization.

66151502110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489060.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 66151502110 in words is "sixty-six billion, one hundred fifty-one million, five hundred two thousand, one hundred ten".