1662422664 has 64 divisors (see below), whose sum is σ = 4784515200. Its totient is φ = 471504384.

The previous prime is 1662422659. The next prime is 1662422711. The reversal of 1662422664 is 4662242661.

It is a super-2 number, since 2×1662422664² = 5527298227561713792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 13099 + ... + 59130.

It is an arithmetic number, because the mean of its divisors is an integer number (74758050).

Almost surely, 2^1662422664 is an apocalyptic number.

1662422664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1662422664 is an abundant number, since it is smaller than the sum of its proper divisors (3122092536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1662422664 is a wasteful number, since it uses less digits than its factorization.

1662422664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72382 (or 72378 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 1662422664 is about 40772.8177098419. The cubic root of 1662422664 is about 1184.6238817724.

The spelling of 1662422664 in words is "one billion, six hundred sixty-two million, four hundred twenty-two thousand, six hundred sixty-four".