1670127920 has 40 divisors (see below), whose sum is σ = 3921512400. Its totient is φ = 661433600.

The previous prime is 1670127919. The next prime is 1670127929. The reversal of 1670127920 is 297210761.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1670127929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95270 + ... + 111429.

It is an arithmetic number, because the mean of its divisors is an integer number (98037810).

Almost surely, 2^1670127920 is an apocalyptic number.

1670127920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670127920 is an abundant number, since it is smaller than the sum of its proper divisors (2251384480).

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

1670127920 is a wasteful number, since it uses less digits than its factorization.

1670127920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206813 (or 206807 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1670127920 is about 40867.1985827265. The cubic root of 1670127920 is about 1186.4512879043.

The spelling of 1670127920 in words is "one billion, six hundred seventy million, one hundred twenty-seven thousand, nine hundred twenty".