1670906198 has 32 divisors (see below), whose sum is σ = 2741977056. Its totient is φ = 758999808.

The previous prime is 1670906197. The next prime is 1670906207. The reversal of 1670906198 is 8916090761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670906191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675436 + ... + 1676432.

It is an arithmetic number, because the mean of its divisors is an integer number (85686783).

Almost surely, 2^1670906198 is an apocalyptic number.

1670906198 is a deficient number, since it is larger than the sum of its proper divisors (1071070858).

1670906198 is a wasteful number, since it uses less digits than its factorization.

1670906198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 1670906198 is about 40876.7195112328. The cubic root of 1670906198 is about 1186.6355543366.

The spelling of 1670906198 in words is "one billion, six hundred seventy million, nine hundred six thousand, one hundred ninety-eight".