1659676099 has 2 divisors, whose sum is σ = 1659676100. Its totient is φ = 1659676098.

The previous prime is 1659676091. The next prime is 1659676103. The reversal of 1659676099 is 9906769561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1659676099 - 2³ = 1659676091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1659676091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829838049 + 829838050.

It is an arithmetic number, because the mean of its divisors is an integer number (829838050).

Almost surely, 2^1659676099 is an apocalyptic number.

1659676099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659676099 is an equidigital number, since it uses as much as digits as its factorization.

1659676099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The square root of 1659676099 is about 40739.1224623212. The cubic root of 1659676099 is about 1183.9711316141.

The spelling of 1659676099 in words is "one billion, six hundred fifty-nine million, six hundred seventy-six thousand, ninety-nine".