1670334149 has 4 divisors (see below), whose sum is σ = 1822182720. Its totient is φ = 1518485580.

The previous prime is 1670334131. The next prime is 1670334151. The reversal of 1670334149 is 9414330761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670334149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670334119) 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, 75924269 + ... + 75924290.

It is an arithmetic number, because the mean of its divisors is an integer number (455545680).

Almost surely, 2^1670334149 is an apocalyptic number.

It is an amenable number.

1670334149 is a deficient number, since it is larger than the sum of its proper divisors (151848571).

1670334149 is a wasteful number, since it uses less digits than its factorization.

1670334149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151848570.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1670334149 is about 40869.7216653111. The cubic root of 1670334149 is about 1186.5001206093.

The spelling of 1670334149 in words is "one billion, six hundred seventy million, three hundred thirty-four thousand, one hundred forty-nine".