64427116103 has 32 divisors (see below), whose sum is σ = 81851544576. Its totient is φ = 49409699328.

The previous prime is 64427116073. The next prime is 64427116111. The reversal of 64427116103 is 30161172446.

It is a cyclic number.

It is not a de Polignac number, because 64427116103 - 2¹⁰ = 64427115079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64427116703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373925 + ... + 518337.

It is an arithmetic number, because the mean of its divisors is an integer number (2557860768).

Almost surely, 2^64427116103 is an apocalyptic number.

64427116103 is a deficient number, since it is larger than the sum of its proper divisors (17424428473).

64427116103 is a wasteful number, since it uses less digits than its factorization.

64427116103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144623.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 64427116103 its reverse (30161172446), we get a palindrome (94588288549).

The spelling of 64427116103 in words is "sixty-four billion, four hundred twenty-seven million, one hundred sixteen thousand, one hundred three".