66462266 has 48 divisors (see below), whose sum is σ = 116046504. Its totient is φ = 28366848.

The previous prime is 66462223. The next prime is 66462269. The reversal of 66462266 is 66226466.

It can be written as a sum of positive squares in 4 ways, for example, as 46526041 + 19936225 = 6821^2 + 4465^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (66462269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685130 + ... + 685226.

Almost surely, 2^66462266 is an apocalyptic number.

66462266 is a deficient number, since it is larger than the sum of its proper divisors (49584238).

66462266 is a wasteful number, since it uses less digits than its factorization.

66462266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 204 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 66462266 is about 8152.4392668698. The cubic root of 66462266 is about 405.0653067475.

The spelling of 66462266 in words is "sixty-six million, four hundred sixty-two thousand, two hundred sixty-six".