66462801 has 16 divisors (see below), whose sum is σ = 93096960. Its totient is φ = 42094800.

The previous prime is 66462769. The next prime is 66462829. The reversal of 66462801 is 10826466.

It is a happy number.

66462801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66462801 - 2⁵ = 66462769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66462601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7230 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (5818560).

Almost surely, 2^66462801 is an apocalyptic number.

It is an amenable number.

66462801 is a deficient number, since it is larger than the sum of its proper divisors (26634159).

66462801 is a wasteful number, since it uses less digits than its factorization.

66462801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 66462801 is about 8152.4720790690. The cubic root of 66462801 is about 405.0663936267.

The spelling of 66462801 in words is "sixty-six million, four hundred sixty-two thousand, eight hundred one".