95661 has 10 divisors (see below), whose sum is σ = 143022. Its totient is φ = 63720.

The previous prime is 95651. The next prime is 95701. The reversal of 95661 is 16659.

It can be written as a sum of positive squares in only one way, i.e., 93636 + 2025 = 306^2 + 45^2 .

It is not a de Polignac number, because 95661 - 2⁵ = 95629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 510 + ... + 671.

2⁹⁵⁶⁶¹ is an apocalyptic number.

It is an amenable number.

95661 is a deficient number, since it is larger than the sum of its proper divisors (47361).

95661 is a wasteful number, since it uses less digits than its factorization.

95661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1184 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 95661 is about 309.2911249939. The cubic root of 95661 is about 45.7346091739.

The spelling of 95661 in words is "ninety-five thousand, six hundred sixty-one".