65661082 has 4 divisors (see below), whose sum is σ = 98491626. Its totient is φ = 32830540.

The previous prime is 65661077. The next prime is 65661083. The reversal of 65661082 is 28016656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44876601 + 20784481 = 6699^2 + 4559^2 .

It is a super-2 number, since 2×65661082² = 8622755378821448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65661083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16415269 + ... + 16415272.

Almost surely, 2^65661082 is an apocalyptic number.

65661082 is a deficient number, since it is larger than the sum of its proper divisors (32830544).

65661082 is a wasteful number, since it uses less digits than its factorization.

65661082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32830543.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 65661082 is about 8103.1525963664. The cubic root of 65661082 is about 403.4310727014.

The spelling of 65661082 in words is "sixty-five million, six hundred sixty-one thousand, eighty-two".