64155576671 has 2 divisors, whose sum is σ = 64155576672. Its totient is φ = 64155576670.

The previous prime is 64155576659. The next prime is 64155576673. The reversal of 64155576671 is 17667555146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64155576671 - 2⁶ = 64155576607 is a prime.

Together with 64155576673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64155576673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32077788335 + 32077788336.

It is an arithmetic number, because the mean of its divisors is an integer number (32077788336).

Almost surely, 2^64155576671 is an apocalyptic number.

64155576671 is a deficient number, since it is larger than the sum of its proper divisors (1).

64155576671 is an equidigital number, since it uses as much as digits as its factorization.

64155576671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292000, while the sum is 53.

The spelling of 64155576671 in words is "sixty-four billion, one hundred fifty-five million, five hundred seventy-six thousand, six hundred seventy-one".