4000655371165 has 32 divisors (see below), whose sum is σ = 4893900595200. Its totient is φ = 3139227995904.

The previous prime is 4000655371093. The next prime is 4000655371187. The reversal of 4000655371165 is 5611735560004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000655371165 is a prime.

It is a congruent number.

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, 19738479 + ... + 19940131.

It is an arithmetic number, because the mean of its divisors is an integer number (152934393600).

Almost surely, 2^{4000655371165} is an apocalyptic number.

It is an amenable number.

4000655371165 is a deficient number, since it is larger than the sum of its proper divisors (893245224035).

4000655371165 is a wasteful number, since it uses less digits than its factorization.

4000655371165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202141.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 4000655371165 in words is "four trillion, six hundred fifty-five million, three hundred seventy-one thousand, one hundred sixty-five".