649167326 has 4 divisors (see below), whose sum is σ = 973750992. Its totient is φ = 324583662.

The previous prime is 649167313. The next prime is 649167329. The reversal of 649167326 is 623761946.

649167326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649167329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162291830 + ... + 162291833.

It is an arithmetic number, because the mean of its divisors is an integer number (243437748).

Almost surely, 2^649167326 is an apocalyptic number.

649167326 is a deficient number, since it is larger than the sum of its proper divisors (324583666).

649167326 is a wasteful number, since it uses less digits than its factorization.

649167326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324583665.

The product of its digits is 326592, while the sum is 44.

The square root of 649167326 is about 25478.7622540813. The cubic root of 649167326 is about 865.8690525194.

The spelling of 649167326 in words is "six hundred forty-nine million, one hundred sixty-seven thousand, three hundred twenty-six".