1664122334 has 32 divisors (see below), whose sum is σ = 3052185600. Its totient is φ = 664575840.

The previous prime is 1664122303. The next prime is 1664122351. The reversal of 1664122334 is 4332214661.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1664122334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35054 + ... + 67505.

It is an arithmetic number, because the mean of its divisors is an integer number (95380800).

Almost surely, 2^1664122334 is an apocalyptic number.

1664122334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1664122334 is a deficient number, since it is larger than the sum of its proper divisors (1388063266).

1664122334 is a wasteful number, since it uses less digits than its factorization.

1664122334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102648.

The product of its digits is 20736, while the sum is 32.

The square root of 1664122334 is about 40793.6555606383. The cubic root of 1664122334 is about 1185.0274662342.

Adding to 1664122334 its reverse (4332214661), we get a palindrome (5996336995).

The spelling of 1664122334 in words is "one billion, six hundred sixty-four million, one hundred twenty-two thousand, three hundred thirty-four".