166036216 has 8 divisors (see below), whose sum is σ = 311317920. Its totient is φ = 83018104.

The previous prime is 166036181. The next prime is 166036219. The reversal of 166036216 is 612630661.

166036216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166036219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10377256 + ... + 10377271.

It is an arithmetic number, because the mean of its divisors is an integer number (38914740).

Almost surely, 2^166036216 is an apocalyptic number.

It is an amenable number.

166036216 is a deficient number, since it is larger than the sum of its proper divisors (145281704).

166036216 is a wasteful number, since it uses less digits than its factorization.

166036216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20754533 (or 20754529 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166036216 is about 12885.5041034490. The cubic root of 166036216 is about 549.6264306203.

Adding to 166036216 its reverse (612630661), we get a palindrome (778666877).

The spelling of 166036216 in words is "one hundred sixty-six million, thirty-six thousand, two hundred sixteen".