66546101 has 8 divisors (see below), whose sum is σ = 67573440. Its totient is φ = 65525152.

The previous prime is 66546089. The next prime is 66546127. The reversal of 66546101 is 10164566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66546101 - 2¹⁰ = 66545077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66546301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21986 + ... + 24828.

It is an arithmetic number, because the mean of its divisors is an integer number (8446680).

Almost surely, 2^66546101 is an apocalyptic number.

It is an amenable number.

66546101 is a deficient number, since it is larger than the sum of its proper divisors (1027339).

66546101 is a wasteful number, since it uses less digits than its factorization.

66546101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 66546101 is about 8157.5793590991. The cubic root of 66546101 is about 405.2355506249.

The spelling of 66546101 in words is "sixty-six million, five hundred forty-six thousand, one hundred one".