1668950734 has 16 divisors (see below), whose sum is σ = 2735254656. Its totient is φ = 757435000.

The previous prime is 1668950719. The next prime is 1668950737. The reversal of 1668950734 is 4370598661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668950737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44392 + ... + 72859.

It is an arithmetic number, because the mean of its divisors is an integer number (170953416).

Almost surely, 2^1668950734 is an apocalyptic number.

1668950734 is a deficient number, since it is larger than the sum of its proper divisors (1066303922).

1668950734 is a wasteful number, since it uses less digits than its factorization.

1668950734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117911.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1668950734 is about 40852.7934662980. The cubic root of 1668950734 is about 1186.1724665228.

The spelling of 1668950734 in words is "one billion, six hundred sixty-eight million, nine hundred fifty thousand, seven hundred thirty-four".