65051660956 has 24 divisors (see below), whose sum is σ = 117849468800. Its totient is φ = 31386398400.

The previous prime is 65051660923. The next prime is 65051660959. The reversal of 65051660956 is 65906615056.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65051660959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708315 + ... + 794866.

Almost surely, 2^65051660956 is an apocalyptic number.

It is an amenable number.

65051660956 is a deficient number, since it is larger than the sum of its proper divisors (52797807844).

65051660956 is a wasteful number, since it uses less digits than its factorization.

65051660956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503565 (or 1503563 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 65051660956 in words is "sixty-five billion, fifty-one million, six hundred sixty thousand, nine hundred fifty-six".