660822269192 has 36 divisors (see below), whose sum is σ = 1247230306365. Its totient is φ = 328241786560.

The previous prime is 660822269167. The next prime is 660822269249. The reversal of 660822269192 is 291962228066.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 620795864836 + 40026404356 = 787906^2 + 200066^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=574814.

It is a super-2 number, since 2×660822269192² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 383974892 + ... + 383976612.

Almost surely, 2^660822269192 is an apocalyptic number.

It is an amenable number.

660822269192 is a deficient number, since it is larger than the sum of its proper divisors (586408037173).

660822269192 is an frugal number, since it uses more digits than its factorization.

660822269192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 660822269192 in words is "six hundred sixty billion, eight hundred twenty-two million, two hundred sixty-nine thousand, one hundred ninety-two".