66472098432 has 64 divisors (see below), whose sum is σ = 176837571360. Its totient is φ = 22123351040.

The previous prime is 66472098431. The next prime is 66472098493. The reversal of 66472098432 is 23489027466.

66472098432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (66472098431) 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, 118207 + ... + 383297.

Almost surely, 2^66472098432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66472098432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88418785680).

66472098432 is an abundant number, since it is smaller than the sum of its proper divisors (110365472928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66472098432 is a wasteful number, since it uses less digits than its factorization.

66472098432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265761 (or 265749 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 66472098432 in words is "sixty-six billion, four hundred seventy-two million, ninety-eight thousand, four hundred thirty-two".