96891660497 has 16 divisors (see below), whose sum is σ = 104813483472. Its totient is φ = 89232261120.

The previous prime is 96891660491. The next prime is 96891660521. The reversal of 96891660497 is 79406619869.

It can be written as a sum of positive squares in 8 ways, for example, as 16893760576 + 79997899921 = 129976^2 + 282839^2 .

It is a cyclic number.

It is not a de Polignac number, because 96891660497 - 2⁶ = 96891660433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96891660491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41918 + ... + 442199.

It is an arithmetic number, because the mean of its divisors is an integer number (6550842717).

Almost surely, 2^96891660497 is an apocalyptic number.

It is an amenable number.

96891660497 is a deficient number, since it is larger than the sum of its proper divisors (7921822975).

96891660497 is a wasteful number, since it uses less digits than its factorization.

96891660497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484388.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 96891660497 in words is "ninety-six billion, eight hundred ninety-one million, six hundred sixty thousand, four hundred ninety-seven".