667202054 has 8 divisors (see below), whose sum is σ = 1019686320. Its totient is φ = 327306616.

The previous prime is 667202051. The next prime is 667202071. The reversal of 667202054 is 450202766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 667202054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667202051) 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, 3147074 + ... + 3147285.

It is an arithmetic number, because the mean of its divisors is an integer number (127460790).

Almost surely, 2^667202054 is an apocalyptic number.

667202054 is a deficient number, since it is larger than the sum of its proper divisors (352484266).

667202054 is a wasteful number, since it uses less digits than its factorization.

667202054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294414.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 667202054 is about 25830.2546251484. The cubic root of 667202054 is about 873.8142541213.

The spelling of 667202054 in words is "six hundred sixty-seven million, two hundred two thousand, fifty-four".