66163004 has 12 divisors (see below), whose sum is σ = 116496744. Its totient is φ = 32878224.

The previous prime is 66163001. The next prime is 66163051. The reversal of 66163004 is 40036166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66163001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50087 + ... + 51390.

It is an arithmetic number, because the mean of its divisors is an integer number (9708062).

Almost surely, 2^66163004 is an apocalyptic number.

It is an amenable number.

66163004 is a deficient number, since it is larger than the sum of its proper divisors (50333740).

66163004 is a wasteful number, since it uses less digits than its factorization.

66163004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101644 (or 101642 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66163004 is about 8134.0644206940. The cubic root of 66163004 is about 404.4564246497.

The spelling of 66163004 in words is "sixty-six million, one hundred sixty-three thousand, four".