2153114666 has 8 divisors (see below), whose sum is σ = 3251348100. Its totient is φ = 1069331968.

The previous prime is 2153114653. The next prime is 2153114687. The reversal of 2153114666 is 6664113512.

It can be written as a sum of positive squares in 2 ways, for example, as 1671092641 + 482022025 = 40879^2 + 21955^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3612311 + ... + 3612906.

Almost surely, 2^2153114666 is an apocalyptic number.

2153114666 is a deficient number, since it is larger than the sum of its proper divisors (1098233434).

2153114666 is a wasteful number, since it uses less digits than its factorization.

2153114666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225368.

The product of its digits is 25920, while the sum is 35.

The square root of 2153114666 is about 46401.6666295511. Note that the first 4 decimals coincide. The cubic root of 2153114666 is about 1291.2858332518.

The spelling of 2153114666 in words is "two billion, one hundred fifty-three million, one hundred fourteen thousand, six hundred sixty-six".