667250352 has 160 divisors (see below), whose sum is σ = 1992729600. Its totient is φ = 213610752.

The previous prime is 667250351. The next prime is 667250449. The reversal of 667250352 is 253052766.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (667250351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1197658 + ... + 1198214.

It is an arithmetic number, because the mean of its divisors is an integer number (12454560).

Almost surely, 2^667250352 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 667250352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996364800).

667250352 is an abundant number, since it is smaller than the sum of its proper divisors (1325479248).

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

667250352 is a wasteful number, since it uses less digits than its factorization.

667250352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 667250352 is about 25831.1895196485. The cubic root of 667250352 is about 873.8353384201.

The spelling of 667250352 in words is "six hundred sixty-seven million, two hundred fifty thousand, three hundred fifty-two".