1668516096 has 72 divisors (see below), whose sum is σ = 4782305920. Its totient is φ = 513386496.

The previous prime is 1668516089. The next prime is 1668516127. The reversal of 1668516096 is 6906158661.

It is a super-2 number, since 2×1668516096² = 5567891925222162432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73576 + ... + 93543.

Almost surely, 2^1668516096 is an apocalyptic number.

1668516096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1668516096 is an abundant number, since it is smaller than the sum of its proper divisors (3113789824).

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

1668516096 is a wasteful number, since it uses less digits than its factorization.

1668516096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167151 (or 167137 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1668516096 is about 40847.4735571247. The cubic root of 1668516096 is about 1186.0694875714.

The spelling of 1668516096 in words is "one billion, six hundred sixty-eight million, five hundred sixteen thousand, ninety-six".