1664103266 has 8 divisors (see below), whose sum is σ = 2852748480. Its totient is φ = 713187108.

The previous prime is 1664103257. The next prime is 1664103283. The reversal of 1664103266 is 6623014661.

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, 59432246 + ... + 59432273.

It is an arithmetic number, because the mean of its divisors is an integer number (356593560).

Almost surely, 2^1664103266 is an apocalyptic number.

1664103266 is a deficient number, since it is larger than the sum of its proper divisors (1188645214).

1664103266 is a wasteful number, since it uses less digits than its factorization.

1664103266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118864528.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1664103266 is about 40793.4218471557. The cubic root of 1664103266 is about 1185.0229400866.

The spelling of 1664103266 in words is "one billion, six hundred sixty-four million, one hundred three thousand, two hundred sixty-six".