667163552 has 24 divisors (see below), whose sum is σ = 1432886112. Its totient is φ = 303256000.

The previous prime is 667163551. The next prime is 667163591. The reversal of 667163552 is 255361766.

It is not an unprimeable number, because it can be changed into a prime (667163551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947324 + ... + 948027.

It is an arithmetic number, because the mean of its divisors is an integer number (59703588).

Almost surely, 2^667163552 is an apocalyptic number.

It is an amenable number.

667163552 is an abundant number, since it is smaller than the sum of its proper divisors (765722560).

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

667163552 is a wasteful number, since it uses less digits than its factorization.

667163552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895372 (or 1895364 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 667163552 is about 25829.5093255757. The cubic root of 667163552 is about 873.7974454982.

The spelling of 667163552 in words is "six hundred sixty-seven million, one hundred sixty-three thousand, five hundred fifty-two".