65961466 has 4 divisors (see below), whose sum is σ = 98942202. Its totient is φ = 32980732.

The previous prime is 65961463. The next prime is 65961473. The reversal of 65961466 is 66416956.

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., 65853225 + 108241 = 8115^2 + 329^2 .

It is not an unprimeable number, because it can be changed into a prime (65961463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16490365 + ... + 16490368.

Almost surely, 2^65961466 is an apocalyptic number.

65961466 is a deficient number, since it is larger than the sum of its proper divisors (32980736).

65961466 is a wasteful number, since it uses less digits than its factorization.

65961466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32980735.

The product of its digits is 233280, while the sum is 43.

The square root of 65961466 is about 8121.6664546139. Note that the first 3 decimals coincide. The cubic root of 65961466 is about 404.0453376888.

The spelling of 65961466 in words is "sixty-five million, nine hundred sixty-one thousand, four hundred sixty-six".