1165066866148 has 24 divisors (see below), whose sum is σ = 2088966348504. Its totient is φ = 568224384000.

The previous prime is 1165066866143. The next prime is 1165066866149. The reversal of 1165066866148 is 8416686605611.

It can be written as a sum of positive squares in 4 ways, for example, as 1364224 + 1165065501924 = 1168^2 + 1079382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1165066866092 and 1165066866101.

It is not an unprimeable number, because it can be changed into a prime (1165066866143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299848 + ... + 1555648.

It is an arithmetic number, because the mean of its divisors is an integer number (87040264521).

Almost surely, 2^{1165066866148} is an apocalyptic number.

It is an amenable number.

1165066866148 is a deficient number, since it is larger than the sum of its proper divisors (923899482356).

1165066866148 is a wasteful number, since it uses less digits than its factorization.

1165066866148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261503 (or 1261501 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 1165066866148 in words is "one trillion, one hundred sixty-five billion, sixty-six million, eight hundred sixty-six thousand, one hundred forty-eight".