16155603061 has 8 divisors (see below), whose sum is σ = 17457725880. Its totient is φ = 14861963712.

The previous prime is 16155603041. The next prime is 16155603083. The reversal of 16155603061 is 16030655161.

It can be written as a sum of positive squares in 4 ways, for example, as 1046522500 + 15109080561 = 32350^2 + 122919^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16155603061 - 2¹¹ = 16155601013 is a prime.

It is a super-2 number, since 2×16155603061² (a number of 21 digits) 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 (16155603031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116906 + ... + 2124523.

It is an arithmetic number, because the mean of its divisors is an integer number (2182215735).

Almost surely, 2^16155603061 is an apocalyptic number.

It is an amenable number.

16155603061 is a deficient number, since it is larger than the sum of its proper divisors (1302122819).

16155603061 is a wasteful number, since it uses less digits than its factorization.

16155603061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241735.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 16155603061 in words is "sixteen billion, one hundred fifty-five million, six hundred three thousand, sixty-one".