1673128016 has 40 divisors (see below), whose sum is σ = 3721160640. Its totient is φ = 713885184.

The previous prime is 1673128013. The next prime is 1673128081. The reversal of 1673128016 is 6108213761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673128013) 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, 7481 + ... + 58328.

It is an arithmetic number, because the mean of its divisors is an integer number (93029016).

Almost surely, 2^1673128016 is an apocalyptic number.

1673128016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1673128016 is an abundant number, since it is smaller than the sum of its proper divisors (2048032624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673128016 is a wasteful number, since it uses less digits than its factorization.

1673128016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66051 (or 66045 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1673128016 is about 40903.8875414061. The cubic root of 1673128016 is about 1187.1612811374.

The spelling of 1673128016 in words is "one billion, six hundred seventy-three million, one hundred twenty-eight thousand, sixteen".