667546246 has 4 divisors (see below), whose sum is σ = 1001319372. Its totient is φ = 333773122.

The previous prime is 667546223. The next prime is 667546279. The reversal of 667546246 is 642645766.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 667546196 and 667546205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166886560 + ... + 166886563.

It is an arithmetic number, because the mean of its divisors is an integer number (250329843).

Almost surely, 2^667546246 is an apocalyptic number.

667546246 is a deficient number, since it is larger than the sum of its proper divisors (333773126).

667546246 is a wasteful number, since it uses less digits than its factorization.

667546246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333773125.

The product of its digits is 1451520, while the sum is 46.

The square root of 667546246 is about 25836.9163407710. The cubic root of 667546246 is about 873.9644875579.

The spelling of 667546246 in words is "six hundred sixty-seven million, five hundred forty-six thousand, two hundred forty-six".