1677632066 has 16 divisors (see below), whose sum is σ = 2747515680. Its totient is φ = 761921280.

The previous prime is 1677632051. The next prime is 1677632069. The reversal of 1677632066 is 6602367761.

It is not an unprimeable number, because it can be changed into a prime (1677632069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4556 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (171719730).

Almost surely, 2^1677632066 is an apocalyptic number.

1677632066 is a deficient number, since it is larger than the sum of its proper divisors (1069883614).

1677632066 is a wasteful number, since it uses less digits than its factorization.

1677632066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63889.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 1677632066 is about 40958.9070410820. The cubic root of 1677632066 is about 1188.2256035362.

The spelling of 1677632066 in words is "one billion, six hundred seventy-seven million, six hundred thirty-two thousand, sixty-six".