1673168020 has 72 divisors (see below), whose sum is σ = 3634898400. Its totient is φ = 646723200.

The previous prime is 1673167981. The next prime is 1673168023. The reversal of 1673168020 is 208613761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673168023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12037111 + ... + 12037249.

It is an arithmetic number, because the mean of its divisors is an integer number (50484700).

Almost surely, 2^1673168020 is an apocalyptic number.

1673168020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1673168020 is an abundant number, since it is smaller than the sum of its proper divisors (1961730380).

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

1673168020 is a wasteful number, since it uses less digits than its factorization.

1673168020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 306 counting only the distinct ones).

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

The square root of 1673168020 is about 40904.3765384586. The cubic root of 1673168020 is about 1187.1707426213.

The spelling of 1673168020 in words is "one billion, six hundred seventy-three million, one hundred sixty-eight thousand, twenty".