1613129055 has 16 divisors (see below), whose sum is σ = 2599578240. Its totient is φ = 854144928.

The previous prime is 1613129053. The next prime is 1613129069. The reversal of 1613129055 is 5509213161.

It is not a de Polignac number, because 1613129055 - 2¹ = 1613129053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613129053) 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, 384757 + ... + 388926.

It is an arithmetic number, because the mean of its divisors is an integer number (162473640).

Almost surely, 2^1613129055 is an apocalyptic number.

1613129055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1613129055 is a deficient number, since it is larger than the sum of its proper divisors (986449185).

1613129055 is a wasteful number, since it uses less digits than its factorization.

1613129055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773830.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 1613129055 is about 40163.7778975036. Note that the first 3 decimals coincide. The cubic root of 1613129055 is about 1172.7975171034.

The spelling of 1613129055 in words is "one billion, six hundred thirteen million, one hundred twenty-nine thousand, fifty-five".