1671970466 has 8 divisors (see below), whose sum is σ = 2594437020. Its totient is φ = 807158128.

The previous prime is 1671970459. The next prime is 1671970471. The reversal of 1671970466 is 6640791761.

It can be written as a sum of positive squares in 2 ways, for example, as 1514844241 + 157126225 = 38921^2 + 12535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 1671970466.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14413481 + ... + 14413596.

Almost surely, 2^1671970466 is an apocalyptic number.

1671970466 is a deficient number, since it is larger than the sum of its proper divisors (922466554).

1671970466 is a wasteful number, since it uses less digits than its factorization.

1671970466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28827108.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 1671970466 is about 40889.7354601372. The cubic root of 1671970466 is about 1186.8874396537.

The spelling of 1671970466 in words is "one billion, six hundred seventy-one million, nine hundred seventy thousand, four hundred sixty-six".