66466356 has 96 divisors (see below), whose sum is σ = 179773440. Its totient is φ = 18921600.

The previous prime is 66466333. The next prime is 66466409. The reversal of 66466356 is 65366466.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151185 + ... + 151623.

It is an arithmetic number, because the mean of its divisors is an integer number (1872640).

Almost surely, 2^66466356 is an apocalyptic number.

66466356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66466356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89886720).

66466356 is an abundant number, since it is smaller than the sum of its proper divisors (113307084).

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

66466356 is a wasteful number, since it uses less digits than its factorization.

66466356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 66466356 is about 8152.6901081790. The cubic root of 66466356 is about 405.0736156383.

The spelling of 66466356 in words is "sixty-six million, four hundred sixty-six thousand, three hundred fifty-six".