66148610 has 32 divisors (see below), whose sum is σ = 130341312. Its totient is φ = 23970880.

The previous prime is 66148597. The next prime is 66148613. The reversal of 66148610 is 1684166.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66148613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37304 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (4073166).

Almost surely, 2^66148610 is an apocalyptic number.

66148610 is a deficient number, since it is larger than the sum of its proper divisors (64192702).

66148610 is a wasteful number, since it uses less digits than its factorization.

66148610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 66148610 is about 8133.1795750494. The cubic root of 66148610 is about 404.4270922048.

The spelling of 66148610 in words is "sixty-six million, one hundred forty-eight thousand, six hundred ten".