66460562 has 12 divisors (see below), whose sum is σ = 115967070. Its totient is φ = 28483056.

The previous prime is 66460561. The next prime is 66460577. The reversal of 66460562 is 26506466.

It can be written as a sum of positive squares in only one way, i.e., 65593801 + 866761 = 8099^2 + 931^2 .

It is not an unprimeable number, because it can be changed into a prime (66460561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338987 + ... + 339182.

Almost surely, 2^66460562 is an apocalyptic number.

66460562 is a deficient number, since it is larger than the sum of its proper divisors (49506508).

66460562 is a wasteful number, since it uses less digits than its factorization.

66460562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678185 (or 678178 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 66460562 is about 8152.3347576017. The cubic root of 66460562 is about 405.0618449477.

The spelling of 66460562 in words is "sixty-six million, four hundred sixty thousand, five hundred sixty-two".