1613054556 has 18 divisors (see below), whose sum is σ = 4077443552. Its totient is φ = 537684840.

The previous prime is 1613054543. The next prime is 1613054557. The reversal of 1613054556 is 6554503161.

1613054556 is a `hidden beast` number, since 1 + 61 + 3 + 0 + 545 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 44807071 = 1613054556 / (1 + 6 + 1 + 3 + 0 + 5 + 4 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1613054556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613054557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22403500 + ... + 22403571.

Almost surely, 2^1613054556 is an apocalyptic number.

It is an amenable number.

1613054556 is an abundant number, since it is smaller than the sum of its proper divisors (2464388996).

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

1613054556 is a wasteful number, since it uses less digits than its factorization.

1613054556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44807081 (or 44807076 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1613054556 is about 40162.8504466503. The cubic root of 1613054556 is about 1172.7794624233.

The spelling of 1613054556 in words is "one billion, six hundred thirteen million, fifty-four thousand, five hundred fifty-six".