672163724542 has 16 divisors (see below), whose sum is σ = 1023066336240. Its totient is φ = 331150704192.

The previous prime is 672163724483. The next prime is 672163724563. The reversal of 672163724542 is 245427361276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124492 + ... + 2420287.

It is an arithmetic number, because the mean of its divisors is an integer number (63941646015).

Almost surely, 2^672163724542 is an apocalyptic number.

672163724542 is a deficient number, since it is larger than the sum of its proper divisors (350902611698).

672163724542 is a wasteful number, since it uses less digits than its factorization.

672163724542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545867.

The product of its digits is 3386880, while the sum is 49.

The spelling of 672163724542 in words is "six hundred seventy-two billion, one hundred sixty-three million, seven hundred twenty-four thousand, five hundred forty-two".