1673020816 has 10 divisors (see below), whose sum is σ = 3241477862. Its totient is φ = 836510400.

The previous prime is 1673020801. The next prime is 1673020849. The reversal of 1673020816 is 6180203761.

It can be written as a sum of positive squares in only one way, i.e., 1050019216 + 623001600 = 32404^2 + 24960^2 .

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 as a sum of consecutive naturals, namely, 52281885 + ... + 52281916.

Almost surely, 2^1673020816 is an apocalyptic number.

1673020816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1673020816 is a deficient number, since it is larger than the sum of its proper divisors (1568457046).

1673020816 is a wasteful number, since it uses less digits than its factorization.

1673020816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104563809 (or 104563803 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1673020816 is about 40902.5771315207. The cubic root of 1673020816 is about 1187.1359261523.

The spelling of 1673020816 in words is "one billion, six hundred seventy-three million, twenty thousand, eight hundred sixteen".