160601001555 has 32 divisors (see below), whose sum is σ = 257523517440. Its totient is φ = 85466730240.

The previous prime is 160601001541. The next prime is 160601001569. The reversal of 160601001555 is 555100106061.

It is an interprime number because it is at equal distance from previous prime (160601001541) and next prime (160601001569).

It is not a de Polignac number, because 160601001555 - 2¹³ = 160600993363 is a prime.

It is a super-2 number, since 2×160601001555² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21175294 + ... + 21182876.

It is an arithmetic number, because the mean of its divisors is an integer number (8047609920).

Almost surely, 2^160601001555 is an apocalyptic number.

160601001555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

160601001555 is a deficient number, since it is larger than the sum of its proper divisors (96922515885).

160601001555 is a wasteful number, since it uses less digits than its factorization.

160601001555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 160601001555 in words is "one hundred sixty billion, six hundred one million, one thousand, five hundred fifty-five".