1061683551 has 32 divisors (see below), whose sum is σ = 1592524800. Its totient is φ = 698997600.

The previous prime is 1061683537. The next prime is 1061683559. The reversal of 1061683551 is 1553861601.

1061683551 is a `hidden beast` number, since 1 + 0 + 616 + 8 + 35 + 5 + 1 = 666.

1061683551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1061683551 - 2²¹ = 1059586399 is a prime.

It is a super-2 number, since 2×1061683551² = 2254343924927939202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061683559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 921826 + ... + 922976.

It is an arithmetic number, because the mean of its divisors is an integer number (49766400).

Almost surely, 2^1061683551 is an apocalyptic number.

1061683551 is a deficient number, since it is larger than the sum of its proper divisors (530841249).

1061683551 is a wasteful number, since it uses less digits than its factorization.

1061683551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1061683551 is about 32583.4858632406. The cubic root of 1061683551 is about 1020.1523388385.

The spelling of 1061683551 in words is "one billion, sixty-one million, six hundred eighty-three thousand, five hundred fifty-one".