64165353215 has 8 divisors (see below), whose sum is σ = 78876434448. Its totient is φ = 50080275520.

The previous prime is 64165353211. The next prime is 64165353277. The reversal of 64165353215 is 51235356146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64165353215 - 2² = 64165353211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64165353211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156500657 + ... + 156501066.

It is an arithmetic number, because the mean of its divisors is an integer number (9859554306).

Almost surely, 2^64165353215 is an apocalyptic number.

64165353215 is a deficient number, since it is larger than the sum of its proper divisors (14711081233).

64165353215 is a wasteful number, since it uses less digits than its factorization.

64165353215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313001769.

The product of its digits is 324000, while the sum is 41.

The spelling of 64165353215 in words is "sixty-four billion, one hundred sixty-five million, three hundred fifty-three thousand, two hundred fifteen".