1670220170 has 16 divisors (see below), whose sum is σ = 3103377408. Its totient is φ = 646536720.

The previous prime is 1670220151. The next prime is 1670220173. The reversal of 1670220170 is 710220761.

It is not an unprimeable number, because it can be changed into a prime (1670220173) 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, 2693594 + ... + 2694213.

It is an arithmetic number, because the mean of its divisors is an integer number (193961088).

Almost surely, 2^1670220170 is an apocalyptic number.

1670220170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1670220170 is a deficient number, since it is larger than the sum of its proper divisors (1433157238).

1670220170 is a wasteful number, since it uses less digits than its factorization.

1670220170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387845.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1670220170 is about 40868.3272229241. The cubic root of 1670220170 is about 1186.4731321624.

The spelling of 1670220170 in words is "one billion, six hundred seventy million, two hundred twenty thousand, one hundred seventy".