166012052 has 6 divisors (see below), whose sum is σ = 290521098. Its totient is φ = 83006024.

The previous prime is 166012051. The next prime is 166012061. The reversal of 166012052 is 250210661.

It can be written as a sum of positive squares in only one way, i.e., 162154756 + 3857296 = 12734^2 + 1964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166012051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20751503 + ... + 20751510.

It is an arithmetic number, because the mean of its divisors is an integer number (48420183).

Almost surely, 2^166012052 is an apocalyptic number.

It is an amenable number.

166012052 is a deficient number, since it is larger than the sum of its proper divisors (124509046).

166012052 is a wasteful number, since it uses less digits than its factorization.

166012052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41503017 (or 41503015 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 166012052 is about 12884.5664265430. The cubic root of 166012052 is about 549.5997661215.

The spelling of 166012052 in words is "one hundred sixty-six million, twelve thousand, fifty-two".