66432000854 has 8 divisors (see below), whose sum is σ = 99665226048. Its totient is φ = 33210258840.

The previous prime is 66432000853. The next prime is 66432000923. The reversal of 66432000854 is 45800023466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66432000853) 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, 2856317 + ... + 2879480.

It is an arithmetic number, because the mean of its divisors is an integer number (12458153256).

Almost surely, 2^66432000854 is an apocalyptic number.

66432000854 is a deficient number, since it is larger than the sum of its proper divisors (33233225194).

66432000854 is a wasteful number, since it uses less digits than its factorization.

66432000854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741590.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 66432000854 in words is "sixty-six billion, four hundred thirty-two million, eight hundred fifty-four", and thus it is an aban number.