851414663 has 16 divisors (see below), whose sum is σ = 966556800. Its totient is φ = 743174880.

The previous prime is 851414657. The next prime is 851414693. The reversal of 851414663 is 366414158.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-851414663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851414633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12653 + ... + 43161.

It is an arithmetic number, because the mean of its divisors is an integer number (60409800).

Almost surely, 2^851414663 is an apocalyptic number.

851414663 is a deficient number, since it is larger than the sum of its proper divisors (115142137).

851414663 is a wasteful number, since it uses less digits than its factorization.

851414663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30622.

The product of its digits is 69120, while the sum is 38.

The square root of 851414663 is about 29179.0106583482. The cubic root of 851414663 is about 947.7934617291.

It can be divided in two parts, 851 and 414663, that added together give a palindrome (415514).

The spelling of 851414663 in words is "eight hundred fifty-one million, four hundred fourteen thousand, six hundred sixty-three".