66457062 has 48 divisors (see below), whose sum is σ = 165233952. Its totient is φ = 18910080.

The previous prime is 66457049. The next prime is 66457073. The reversal of 66457062 is 26075466.

66457062 is a `hidden beast` number, since 6 + 645 + 7 + 0 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34468 + ... + 36344.

It is an arithmetic number, because the mean of its divisors is an integer number (3442374).

Almost surely, 2^66457062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66457062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82616976).

66457062 is an abundant number, since it is smaller than the sum of its proper divisors (98776890).

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

66457062 is a wasteful number, since it uses less digits than its factorization.

66457062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 66457062 is about 8152.1200923441. The cubic root of 66457062 is about 405.0547342578.

The spelling of 66457062 in words is "sixty-six million, four hundred fifty-seven thousand, sixty-two".