1890097166 has 8 divisors (see below), whose sum is σ = 2873983584. Its totient is φ = 932102640.

The previous prime is 1890097163. The next prime is 1890097193. The reversal of 1890097166 is 6617900981.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1890097166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890097163) 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, 6472790 + ... + 6473081.

It is an arithmetic number, because the mean of its divisors is an integer number (359247948).

Almost surely, 2^1890097166 is an apocalyptic number.

1890097166 is a deficient number, since it is larger than the sum of its proper divisors (983886418).

1890097166 is a wasteful number, since it uses less digits than its factorization.

1890097166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945946.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 1890097166 is about 43475.2477393746. The cubic root of 1890097166 is about 1236.4067773471.

The spelling of 1890097166 in words is "one billion, eight hundred ninety million, ninety-seven thousand, one hundred sixty-six".