64116851 has 2 divisors, whose sum is σ = 64116852. Its totient is φ = 64116850.

The previous prime is 64116841. The next prime is 64116863. The reversal of 64116851 is 15861146.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64116851 is a prime.

It is a super-2 number, since 2×64116851² = 8221941164312402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64116821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32058425 + 32058426.

It is an arithmetic number, because the mean of its divisors is an integer number (32058426).

Almost surely, 2^64116851 is an apocalyptic number.

64116851 is a deficient number, since it is larger than the sum of its proper divisors (1).

64116851 is an equidigital number, since it uses as much as digits as its factorization.

64116851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 64116851 is about 8007.2998570055. The cubic root of 64116851 is about 400.2432915764.

Adding to 64116851 its reverse (15861146), we get a palindrome (79977997).

The spelling of 64116851 in words is "sixty-four million, one hundred sixteen thousand, eight hundred fifty-one".