1631472326 has 16 divisors (see below), whose sum is σ = 2673857088. Its totient is φ = 740418600.

The previous prime is 1631472313. The next prime is 1631472347. The reversal of 1631472326 is 6232741361.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43520 + ... + 71811.

It is an arithmetic number, because the mean of its divisors is an integer number (167116068).

Almost surely, 2^1631472326 is an apocalyptic number.

1631472326 is a deficient number, since it is larger than the sum of its proper divisors (1042384762).

1631472326 is a wasteful number, since it uses less digits than its factorization.

1631472326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115987.

The product of its digits is 36288, while the sum is 35.

The square root of 1631472326 is about 40391.4882865190. The cubic root of 1631472326 is about 1177.2261586443.

The spelling of 1631472326 in words is "one billion, six hundred thirty-one million, four hundred seventy-two thousand, three hundred twenty-six".