1679058666 has 32 divisors (see below), whose sum is σ = 3732909120. Its totient is φ = 559436112.

The previous prime is 1679058629. The next prime is 1679058677. The reversal of 1679058666 is 6668509761.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a zygodrome in base 3.

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, 145816 + ... + 156908.

It is an arithmetic number, because the mean of its divisors is an integer number (116653410).

Almost surely, 2^1679058666 is an apocalyptic number.

1679058666 is an abundant number, since it is smaller than the sum of its proper divisors (2053850454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1679058666 is a wasteful number, since it uses less digits than its factorization.

1679058666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907 (or 13901 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 1679058666 is about 40976.3183558504. The cubic root of 1679058666 is about 1188.5623166960.

The spelling of 1679058666 in words is "one billion, six hundred seventy-nine million, fifty-eight thousand, six hundred sixty-six".