1676868091 has 4 divisors (see below), whose sum is σ = 1678406184. Its totient is φ = 1675330000.

The previous prime is 1676868079. The next prime is 1676868103. The reversal of 1676868091 is 1908686761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1908686761 = 9403 ⋅202987.

It is an interprime number because it is at equal distance from previous prime (1676868079) and next prime (1676868103).

It is a cyclic number.

It is not a de Polignac number, because 1676868091 - 2⁵ = 1676868059 is a prime.

It is a super-2 number, since 2×1676868091² = 5623773189227968562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676868001) 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, 767410 + ... + 769591.

It is an arithmetic number, because the mean of its divisors is an integer number (419601546).

Almost surely, 2^1676868091 is an apocalyptic number.

1676868091 is a deficient number, since it is larger than the sum of its proper divisors (1538093).

1676868091 is a wasteful number, since it uses less digits than its factorization.

1676868091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538092.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 1676868091 is about 40949.5798635346. The cubic root of 1676868091 is about 1188.0452079049.

The spelling of 1676868091 in words is "one billion, six hundred seventy-six million, eight hundred sixty-eight thousand, ninety-one".