1631486132 has 12 divisors (see below), whose sum is σ = 2866949316. Its totient is φ = 812357760.

The previous prime is 1631486123. The next prime is 1631486173. The reversal of 1631486132 is 2316841361.

It can be written as a sum of positive squares in 2 ways, for example, as 659667856 + 971818276 = 25684^2 + 31174^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1631486092 and 1631486101.

It is a congruent number.

It is an unprimeable number.

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, 845243 + ... + 847170.

It is an arithmetic number, because the mean of its divisors is an integer number (238912443).

Almost surely, 2^1631486132 is an apocalyptic number.

It is an amenable number.

1631486132 is a deficient number, since it is larger than the sum of its proper divisors (1235463184).

1631486132 is a wasteful number, since it uses less digits than its factorization.

1631486132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692658 (or 1692656 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1631486132 is about 40391.6591885008. The cubic root of 1631486132 is about 1177.2294793133.

The spelling of 1631486132 in words is "one billion, six hundred thirty-one million, four hundred eighty-six thousand, one hundred thirty-two".