1662797466 has 48 divisors (see below), whose sum is σ = 4101140160. Its totient is φ = 481968960.

The previous prime is 1662797363. The next prime is 1662797471. The reversal of 1662797466 is 6647972661.

1662797466 is a `hidden beast` number, since 1 + 6 + 627 + 9 + 7 + 4 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178011 + ... + 187118.

It is an arithmetic number, because the mean of its divisors is an integer number (85440420).

Almost surely, 2^1662797466 is an apocalyptic number.

1662797466 is an abundant number, since it is smaller than the sum of its proper divisors (2438342694).

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

1662797466 is a wasteful number, since it uses less digits than its factorization.

1662797466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365171 (or 365168 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 1662797466 is about 40777.4136747293. The cubic root of 1662797466 is about 1184.7129016601.

The spelling of 1662797466 in words is "one billion, six hundred sixty-two million, seven hundred ninety-seven thousand, four hundred sixty-six".