101845666651 has 8 divisors (see below), whose sum is σ = 101916914400. Its totient is φ = 101774449920.

The previous prime is 101845666633. The next prime is 101845666667. The reversal of 101845666651 is 156666548101.

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

It is a cyclic number.

It is not a de Polignac number, because 101845666651 - 2²⁵ = 101812112219 is a prime.

It is a super-2 number, since 2×101845666651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101845666595 and 101845666604.

It is not an unprimeable number, because it can be changed into a prime (101845696651) 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 7 ways as a sum of consecutive naturals, for example, 11825835 + ... + 11834443.

It is an arithmetic number, because the mean of its divisors is an integer number (12739614300).

Almost surely, 2^101845666651 is an apocalyptic number.

101845666651 is a deficient number, since it is larger than the sum of its proper divisors (71247749).

101845666651 is an equidigital number, since it uses as much as digits as its factorization.

101845666651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15509.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 101845666651 in words is "one hundred one billion, eight hundred forty-five million, six hundred sixty-six thousand, six hundred fifty-one".