65980154503 has 8 divisors (see below), whose sum is σ = 71749485072. Its totient is φ = 60420617856.

The previous prime is 65980154473. The next prime is 65980154531. The reversal of 65980154503 is 30545108956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65980154503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65980154803) 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, 52447825 + ... + 52449082.

It is an arithmetic number, because the mean of its divisors is an integer number (8968685634).

Almost surely, 2^65980154503 is an apocalyptic number.

65980154503 is a deficient number, since it is larger than the sum of its proper divisors (5769330569).

65980154503 is a wasteful number, since it uses less digits than its factorization.

65980154503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104896961.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 65980154503 in words is "sixty-five billion, nine hundred eighty million, one hundred fifty-four thousand, five hundred three".