65144690358 has 16 divisors (see below), whose sum is σ = 142133870016. Its totient is φ = 19740815240.

The previous prime is 65144690341. The next prime is 65144690399. The reversal of 65144690358 is 85309644156.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 65144690358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493520316 + ... + 493520447.

It is an arithmetic number, because the mean of its divisors is an integer number (8883366876).

Almost surely, 2^65144690358 is an apocalyptic number.

65144690358 is an abundant number, since it is smaller than the sum of its proper divisors (76989179658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65144690358 is a wasteful number, since it uses less digits than its factorization.

65144690358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987040779.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 65144690358 in words is "sixty-five billion, one hundred forty-four million, six hundred ninety thousand, three hundred fifty-eight".