166135364 has 6 divisors (see below), whose sum is σ = 290736894. Its totient is φ = 83067680.

The previous prime is 166135357. The next prime is 166135381. The reversal of 166135364 is 463531661.

It can be written as a sum of positive squares in only one way, i.e., 147816964 + 18318400 = 12158^2 + 4280^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20766917 + ... + 20766924.

It is an arithmetic number, because the mean of its divisors is an integer number (48456149).

Almost surely, 2^166135364 is an apocalyptic number.

It is an amenable number.

166135364 is a deficient number, since it is larger than the sum of its proper divisors (124601530).

166135364 is a wasteful number, since it uses less digits than its factorization.

166135364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41533845 (or 41533843 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 166135364 is about 12889.3507982365. The cubic root of 166135364 is about 549.7358114112.

The spelling of 166135364 in words is "one hundred sixty-six million, one hundred thirty-five thousand, three hundred sixty-four".