1061611629 has 16 divisors (see below), whose sum is σ = 1527388800. Its totient is φ = 652003776.

The previous prime is 1061611619. The next prime is 1061611633. The reversal of 1061611629 is 9261161601.

It is a de Polignac number, because none of the positive numbers 2^k-1061611629 is a prime.

It is a super-2 number, since 2×1061611629² = 2254038501656067282, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061611629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061611619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6889 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (95461800).

Almost surely, 2^1061611629 is an apocalyptic number.

It is an amenable number.

1061611629 is a deficient number, since it is larger than the sum of its proper divisors (465777171).

1061611629 is a wasteful number, since it uses less digits than its factorization.

1061611629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54004.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1061611629 is about 32582.3821873110. The cubic root of 1061611629 is about 1020.1293021394.

The spelling of 1061611629 in words is "one billion, sixty-one million, six hundred eleven thousand, six hundred twenty-nine".