1662477346 has 8 divisors (see below), whose sum is σ = 2495025324. Its totient is φ = 830802240.

The previous prime is 1662477317. The next prime is 1662477353. The reversal of 1662477346 is 6437742661.

It can be written as a sum of positive squares in 2 ways, for example, as 1417899025 + 244578321 = 37655^2 + 15639^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1662477296 and 1662477305.

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 3 ways as a sum of consecutive naturals, for example, 213435 + ... + 221086.

Almost surely, 2^1662477346 is an apocalyptic number.

1662477346 is a deficient number, since it is larger than the sum of its proper divisors (832547978).

1662477346 is a wasteful number, since it uses less digits than its factorization.

1662477346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436436.

The product of its digits is 1016064, while the sum is 46.

The square root of 1662477346 is about 40773.4882736319. The cubic root of 1662477346 is about 1184.6368702248.

The spelling of 1662477346 in words is "one billion, six hundred sixty-two million, four hundred seventy-seven thousand, three hundred forty-six".