161600345011 has 32 divisors (see below), whose sum is σ = 197685411840. Its totient is φ = 129100605216.

The previous prime is 161600344993. The next prime is 161600345017. The reversal of 161600345011 is 110543006161.

It is not a de Polignac number, because 161600345011 - 2¹⁵ = 161600312243 is a prime.

It is a super-2 number, since 2×161600345011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161600345017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670670 + ... + 1764748.

It is an arithmetic number, because the mean of its divisors is an integer number (6177669120).

Almost surely, 2^161600345011 is an apocalyptic number.

161600345011 is a deficient number, since it is larger than the sum of its proper divisors (36085066829).

161600345011 is a wasteful number, since it uses less digits than its factorization.

161600345011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94383.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 161600345011 in words is "one hundred sixty-one billion, six hundred million, three hundred forty-five thousand, eleven".