1670269845 has 16 divisors (see below), whose sum is σ = 2678239872. Its totient is φ = 888874560.

The previous prime is 1670269831. The next prime is 1670269891. The reversal of 1670269845 is 5489620761.

It is not a de Polignac number, because 1670269845 - 2⁵ = 1670269813 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1670269794 and 1670269803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113857 + ... + 127686.

It is an arithmetic number, because the mean of its divisors is an integer number (167389992).

Almost surely, 2^1670269845 is an apocalyptic number.

1670269845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1670269845 is a deficient number, since it is larger than the sum of its proper divisors (1007970027).

1670269845 is a wasteful number, since it uses less digits than its factorization.

1670269845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242012.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1670269845 is about 40868.9349628786. The cubic root of 1670269845 is about 1186.4848945775.

The spelling of 1670269845 in words is "one billion, six hundred seventy million, two hundred sixty-nine thousand, eight hundred forty-five".