1670889874 has 16 divisors (see below), whose sum is σ = 2526111000. Its totient is φ = 828866304.

The previous prime is 1670889841. The next prime is 1670889877. The reversal of 1670889874 is 4789880761.

It can be written as a sum of positive squares in 4 ways, for example, as 1370110225 + 300779649 = 37015^2 + 17343^2 .

It is not an unprimeable number, because it can be changed into a prime (1670889877) 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, 297904 + ... + 303460.

Almost surely, 2^1670889874 is an apocalyptic number.

1670889874 is a deficient number, since it is larger than the sum of its proper divisors (855221126).

1670889874 is a wasteful number, since it uses less digits than its factorization.

1670889874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6717.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The square root of 1670889874 is about 40876.5198371877. The cubic root of 1670889874 is about 1186.6316900259.

The spelling of 1670889874 in words is "one billion, six hundred seventy million, eight hundred eighty-nine thousand, eight hundred seventy-four".