667411032 has 64 divisors (see below), whose sum is σ = 1717578720. Its totient is φ = 215958528.

The previous prime is 667411021. The next prime is 667411037. The reversal of 667411032 is 230114766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667411037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760578 + ... + 761454.

Almost surely, 2^667411032 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 667411032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858789360).

667411032 is an abundant number, since it is smaller than the sum of its proper divisors (1050167688).

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

667411032 is a wasteful number, since it uses less digits than its factorization.

667411032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 667411032 is about 25834.2995260177. The cubic root of 667411032 is about 873.9054753099.

Adding to 667411032 its reverse (230114766), we get a palindrome (897525798).

The spelling of 667411032 in words is "six hundred sixty-seven million, four hundred eleven thousand, thirty-two".