65980154470 has 16 divisors (see below), whose sum is σ = 118880617968. Its totient is φ = 26366208480.

The previous prime is 65980154447. The next prime is 65980154473. The reversal of 65980154470 is 7445108956.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65980154473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3220944 + ... + 3241363.

It is an arithmetic number, because the mean of its divisors is an integer number (7430038623).

Almost surely, 2^65980154470 is an apocalyptic number.

65980154470 is a deficient number, since it is larger than the sum of its proper divisors (52900463498).

65980154470 is a wasteful number, since it uses less digits than its factorization.

65980154470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463335.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 65980154470 in words is "sixty-five billion, nine hundred eighty million, one hundred fifty-four thousand, four hundred seventy".