10645633401651 has 24 divisors (see below), whose sum is σ = 15707761392960. Its totient is φ = 6944510391936.

The previous prime is 10645633401643. The next prime is 10645633401659. The reversal of 10645633401651 is 15610433654601.

10645633401651 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 5 + 633 + 4 + 0 + 1 + 6 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (10645633401643) and next prime (10645633401659).

It is not a de Polignac number, because 10645633401651 - 2³ = 10645633401643 is a prime.

It is a super-2 number, since 2×10645633401651² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10645633401597 and 10645633401606.

It is not an unprimeable number, because it can be changed into a prime (10645633401659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989040 + ... + 4719053.

It is an arithmetic number, because the mean of its divisors is an integer number (654490058040).

Almost surely, 2^{10645633401651} is an apocalyptic number.

10645633401651 is a deficient number, since it is larger than the sum of its proper divisors (5062127991309).

10645633401651 is a wasteful number, since it uses less digits than its factorization.

10645633401651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712555 (or 5712552 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 10645633401651 in words is "ten trillion, six hundred forty-five billion, six hundred thirty-three million, four hundred one thousand, six hundred fifty-one".