100661083 has 2 divisors, whose sum is σ = 100661084. Its totient is φ = 100661082.

The previous prime is 100661081. The next prime is 100661101. The reversal of 100661083 is 380166001.

It is a weak prime.

It is an emirp because it is prime and its reverse (380166001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100661083 - 2¹ = 100661081 is a prime.

Together with 100661081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100661081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330541 + 50330542.

It is an arithmetic number, because the mean of its divisors is an integer number (50330542).

Almost surely, 2^100661083 is an apocalyptic number.

100661083 is a deficient number, since it is larger than the sum of its proper divisors (1).

100661083 is an equidigital number, since it uses as much as digits as its factorization.

100661083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 100661083 is about 10032.9997009867. Note that the first 3 decimals coincide. The cubic root of 100661083 is about 465.1794628521.

The spelling of 100661083 in words is "one hundred million, six hundred sixty-one thousand, eighty-three".