1613562655 has 4 divisors (see below), whose sum is σ = 1936275192. Its totient is φ = 1290850120.

The previous prime is 1613562653. The next prime is 1613562673. The reversal of 1613562655 is 5562653161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1613562655 - 2¹ = 1613562653 is a prime.

It is a super-2 number, since 2×1613562655² = 5207168883221298050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613562653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161356261 + ... + 161356270.

It is an arithmetic number, because the mean of its divisors is an integer number (484068798).

Almost surely, 2^1613562655 is an apocalyptic number.

1613562655 is a deficient number, since it is larger than the sum of its proper divisors (322712537).

1613562655 is an equidigital number, since it uses as much as digits as its factorization.

1613562655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322712536.

The product of its digits is 162000, while the sum is 40.

The square root of 1613562655 is about 40169.1754334091. The cubic root of 1613562655 is about 1172.9025881444.

The spelling of 1613562655 in words is "one billion, six hundred thirteen million, five hundred sixty-two thousand, six hundred fifty-five".