166220246 has 8 divisors (see below), whose sum is σ = 262453080. Its totient is φ = 78735888.

The previous prime is 166220213. The next prime is 166220251. The reversal of 166220246 is 642022661.

166220246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187071 + ... + 2187146.

It is an arithmetic number, because the mean of its divisors is an integer number (32806635).

Almost surely, 2^166220246 is an apocalyptic number.

166220246 is a deficient number, since it is larger than the sum of its proper divisors (96232834).

166220246 is a wasteful number, since it uses less digits than its factorization.

166220246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374238.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 166220246 is about 12892.6430959676. The cubic root of 166220246 is about 549.8294192767.

The spelling of 166220246 in words is "one hundred sixty-six million, two hundred twenty thousand, two hundred forty-six".