2083146661 has 2 divisors, whose sum is σ = 2083146662. Its totient is φ = 2083146660.

The previous prime is 2083146641. The next prime is 2083146691. The reversal of 2083146661 is 1666413802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2056169025 + 26977636 = 45345^2 + 5194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2083146661 - 2²⁵ = 2049592229 is a prime.

It is a super-2 number, since 2×2083146661² = 8679000022470897842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2083146661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2083146631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041573330 + 1041573331.

It is an arithmetic number, because the mean of its divisors is an integer number (1041573331).

Almost surely, 2^2083146661 is an apocalyptic number.

2083146661 is the 20412-nd centered decagonal number.

It is an amenable number.

2083146661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2083146661 is an equidigital number, since it uses as much as digits as its factorization.

2083146661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2083146661 is about 45641.5015199982. The cubic root of 2083146661 is about 1277.1442398446.

The spelling of 2083146661 in words is "two billion, eighty-three million, one hundred forty-six thousand, six hundred sixty-one".