1676603999 has 16 divisors (see below), whose sum is σ = 1984979520. Its totient is φ = 1385583360.

The previous prime is 1676603993. The next prime is 1676604043. The reversal of 1676603999 is 9993066761.

It is not a de Polignac number, because 1676603999 - 2²⁰ = 1675555423 is a prime.

It is a super-2 number, since 2×1676603999² = 5622001938925584002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676603993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149057 + ... + 159909.

It is an arithmetic number, because the mean of its divisors is an integer number (124061220).

Almost surely, 2^1676603999 is an apocalyptic number.

1676603999 is a deficient number, since it is larger than the sum of its proper divisors (308375521).

1676603999 is a wasteful number, since it uses less digits than its factorization.

1676603999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 1676603999 is about 40946.3551369350. The cubic root of 1676603999 is about 1187.9828357344.

The spelling of 1676603999 in words is "one billion, six hundred seventy-six million, six hundred three thousand, nine hundred ninety-nine".