1899652166 has 8 divisors (see below), whose sum is σ = 2849758824. Its totient is φ = 949732560.

The previous prime is 1899652147. The next prime is 1899652169. The reversal of 1899652166 is 6612569981.

It is a happy number.

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 (1899652169) 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, 17780 + ... + 64151.

It is an arithmetic number, because the mean of its divisors is an integer number (356219853).

Almost surely, 2^1899652166 is an apocalyptic number.

1899652166 is a deficient number, since it is larger than the sum of its proper divisors (950106658).

1899652166 is a wasteful number, since it uses less digits than its factorization.

1899652166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93526.

The product of its digits is 1399680, while the sum is 53.

The square root of 1899652166 is about 43584.9993231616. Note that the first 3 decimals coincide. The cubic root of 1899652166 is about 1238.4867435983.

The spelling of 1899652166 in words is "one billion, eight hundred ninety-nine million, six hundred fifty-two thousand, one hundred sixty-six".