651066166101 has 8 divisors (see below), whose sum is σ = 934864238560. Its totient is φ = 400656102192.

The previous prime is 651066166063. The next prime is 651066166111. The reversal of 651066166101 is 101661660156.

651066166101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 651066166101 - 2⁷ = 651066165973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 16694004259 = 651066166101 / (6 + 5 + 1 + 0 + 6 + 6 + 1 + 6 + 6 + 1 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 651066166101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651066166111) 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, 8347002091 + ... + 8347002168.

It is an arithmetic number, because the mean of its divisors is an integer number (116858029820).

Almost surely, 2^651066166101 is an apocalyptic number.

It is an amenable number.

651066166101 is a deficient number, since it is larger than the sum of its proper divisors (283798072459).

651066166101 is a wasteful number, since it uses less digits than its factorization.

651066166101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16694004275.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 651066166101 in words is "six hundred fifty-one billion, sixty-six million, one hundred sixty-six thousand, one hundred one".