10166816651 has 4 divisors (see below), whose sum is σ = 10267478304. Its totient is φ = 10066155000.

The previous prime is 10166816633. The next prime is 10166816657. The reversal of 10166816651 is 15661866101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10166816651 - 2⁶ = 10166816587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10166816599 and 10166816608.

It is not an unprimeable number, because it can be changed into a prime (10166816657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50330675 + ... + 50330876.

It is an arithmetic number, because the mean of its divisors is an integer number (2566869576).

Almost surely, 2^10166816651 is an apocalyptic number.

10166816651 is a deficient number, since it is larger than the sum of its proper divisors (100661653).

10166816651 is a wasteful number, since it uses less digits than its factorization.

10166816651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100661652.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 10166816651 in words is "ten billion, one hundred sixty-six million, eight hundred sixteen thousand, six hundred fifty-one".