166070452 has 6 divisors (see below), whose sum is σ = 290623298. Its totient is φ = 83035224.

The previous prime is 166070447. The next prime is 166070453. The reversal of 166070452 is 254070661.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 74753316 = 9556^2 + 8646^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166070453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20758803 + ... + 20758810.

Almost surely, 2^166070452 is an apocalyptic number.

It is an amenable number.

166070452 is a deficient number, since it is larger than the sum of its proper divisors (124552846).

166070452 is a wasteful number, since it uses less digits than its factorization.

166070452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41517617 (or 41517615 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 166070452 is about 12886.8325045373. The cubic root of 166070452 is about 549.6642049440.

The spelling of 166070452 in words is "one hundred sixty-six million, seventy thousand, four hundred fifty-two".