96665554443211 has 32 divisors (see below), whose sum is σ = 110208174048000. Its totient is φ = 84049280235648.

The previous prime is 96665554443197. The next prime is 96665554443217. The reversal of 96665554443211 is 11234445556669.

It is not a de Polignac number, because 96665554443211 - 2²¹ = 96665552346059 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 96665554443211.

It is not an unprimeable number, because it can be changed into a prime (96665554443217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319464556 + ... + 319766998.

It is an arithmetic number, because the mean of its divisors is an integer number (3444005439000).

Almost surely, 2^{96665554443211} is an apocalyptic number.

96665554443211 is a deficient number, since it is larger than the sum of its proper divisors (13542619604789).

96665554443211 is a wasteful number, since it uses less digits than its factorization.

96665554443211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309883.

The product of its digits is 93312000, while the sum is 61.

The spelling of 96665554443211 in words is "ninety-six trillion, six hundred sixty-five billion, five hundred fifty-four million, four hundred forty-three thousand, two hundred eleven".