1630166 has 8 divisors (see below), whose sum is σ = 2524224. Its totient is φ = 788760.

The previous prime is 1630159. The next prime is 1630169. The reversal of 1630166 is 6610361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13085 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (315528).

2^1630166 is an apocalyptic number.

1630166 is a deficient number, since it is larger than the sum of its proper divisors (894058).

1630166 is a wasteful number, since it uses less digits than its factorization.

1630166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1630166 is about 1276.7795424426. The cubic root of 1630166 is about 117.6911871615.

The spelling of 1630166 in words is "one million, six hundred thirty thousand, one hundred sixty-six".