166349366 has 8 divisors (see below), whose sum is σ = 252327960. Its totient is φ = 82240048.

The previous prime is 166349357. The next prime is 166349377. The reversal of 166349366 is 663943661.

166349366 is digitally balanced in base 2 and base 3, because in such bases 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 super-2 number, since 2×166349366² = 55344223137203912, which contains 22 as substring.

It is a Curzon number.

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, 467096 + ... + 467451.

It is an arithmetic number, because the mean of its divisors is an integer number (31540995).

Almost surely, 2^166349366 is an apocalyptic number.

166349366 is a deficient number, since it is larger than the sum of its proper divisors (85978594).

166349366 is an equidigital number, since it uses as much as digits as its factorization.

166349366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934638.

The product of its digits is 419904, while the sum is 44.

The square root of 166349366 is about 12897.6496308436. The cubic root of 166349366 is about 549.9717517172.

The spelling of 166349366 in words is "one hundred sixty-six million, three hundred forty-nine thousand, three hundred sixty-six".