1613049855 has 8 divisors (see below), whose sum is σ = 2580879792. Its totient is φ = 860293248.

The previous prime is 1613049797. The next prime is 1613049881. The reversal of 1613049855 is 5589403161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613049855 - 2⁶ = 1613049791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53768314 + ... + 53768343.

It is an arithmetic number, because the mean of its divisors is an integer number (322609974).

Almost surely, 2^1613049855 is an apocalyptic number.

1613049855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1613049855 is a deficient number, since it is larger than the sum of its proper divisors (967829937).

1613049855 is a wasteful number, since it uses less digits than its factorization.

1613049855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107536665.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1613049855 is about 40162.7919223751. The cubic root of 1613049855 is about 1172.7783231269.

The spelling of 1613049855 in words is "one billion, six hundred thirteen million, forty-nine thousand, eight hundred fifty-five".