1061631432 has 24 divisors (see below), whose sum is σ = 2875251990. Its totient is φ = 353877120.

The previous prime is 1061631413. The next prime is 1061631443. The reversal of 1061631432 is 2341361601.

1061631432 is a `hidden beast` number, since 1 + 0 + 616 + 3 + 1 + 43 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 882446436 + 179184996 = 29706^2 + 13386^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1061631432² = 2254122594820741248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061631396 and 1061631405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7372369 + ... + 7372512.

Almost surely, 2^1061631432 is an apocalyptic number.

1061631432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1061631432 is an abundant number, since it is smaller than the sum of its proper divisors (1813620558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061631432 is a wasteful number, since it uses less digits than its factorization.

1061631432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744893 (or 14744886 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1061631432 is about 32582.6860771177. The cubic root of 1061631432 is about 1020.1356451668.

The spelling of 1061631432 in words is "one billion, sixty-one million, six hundred thirty-one thousand, four hundred thirty-two".