64665120360145 has 32 divisors (see below), whose sum is σ = 79085499552000. Its totient is φ = 50744471235840.

The previous prime is 64665120360103. The next prime is 64665120360167. The reversal of 64665120360145 is 54106302156646.

64665120360145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64665120360145 - 2¹⁵ = 64665120327377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252007971 + ... + 252264439.

It is an arithmetic number, because the mean of its divisors is an integer number (2471421861000).

Almost surely, 2^{64665120360145} is an apocalyptic number.

It is an amenable number.

64665120360145 is a deficient number, since it is larger than the sum of its proper divisors (14420379191855).

64665120360145 is a wasteful number, since it uses less digits than its factorization.

64665120360145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258393.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 64665120360145 in words is "sixty-four trillion, six hundred sixty-five billion, one hundred twenty million, three hundred sixty thousand, one hundred forty-five".