1670393914 has 8 divisors (see below), whose sum is σ = 2863532448. Its totient is φ = 715883100.

The previous prime is 1670393909. The next prime is 1670393917. The reversal of 1670393914 is 4193930761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1670393917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59656912 + ... + 59656939.

It is an arithmetic number, because the mean of its divisors is an integer number (357941556).

Almost surely, 2^1670393914 is an apocalyptic number.

1670393914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1670393914 is a deficient number, since it is larger than the sum of its proper divisors (1193138534).

1670393914 is a wasteful number, since it uses less digits than its factorization.

1670393914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119313860.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1670393914 is about 40870.4528235252. The cubic root of 1670393914 is about 1186.5142715371.

The spelling of 1670393914 in words is "one billion, six hundred seventy million, three hundred ninety-three thousand, nine hundred fourteen".