1668769070 has 32 divisors (see below), whose sum is σ = 3057125760. Its totient is φ = 655683840.

The previous prime is 1668769027. The next prime is 1668769099. The reversal of 1668769070 is 709678661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632474 + ... + 635106.

It is an arithmetic number, because the mean of its divisors is an integer number (95535180).

Almost surely, 2^1668769070 is an apocalyptic number.

1668769070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668769070 is a deficient number, since it is larger than the sum of its proper divisors (1388356690).

1668769070 is a wasteful number, since it uses less digits than its factorization.

1668769070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 1668769070 is about 40850.5700082630. The cubic root of 1668769070 is about 1186.1294269751.

The spelling of 1668769070 in words is "one billion, six hundred sixty-eight million, seven hundred sixty-nine thousand, seventy".