64651095555 has 16 divisors (see below), whose sum is σ = 103595471520. Its totient is φ = 34429344768.

The previous prime is 64651095539. The next prime is 64651095563. The reversal of 64651095555 is 55559015646.

It is not a de Polignac number, because 64651095555 - 2⁴ = 64651095539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64651095498 and 64651095507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3192040 + ... + 3212229.

It is an arithmetic number, because the mean of its divisors is an integer number (6474716970).

Almost surely, 2^64651095555 is an apocalyptic number.

64651095555 is a deficient number, since it is larger than the sum of its proper divisors (38944375965).

64651095555 is a wasteful number, since it uses less digits than its factorization.

64651095555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404950.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 64651095555 in words is "sixty-four billion, six hundred fifty-one million, ninety-five thousand, five hundred fifty-five".