16100111061 has 6 divisors (see below), whose sum is σ = 23255715990. Its totient is φ = 10733407368.

The previous prime is 16100111057. The next prime is 16100111063. The reversal of 16100111061 is 16011100161.

It can be written as a sum of positive squares in only one way, i.e., 12189484836 + 3910626225 = 110406^2 + 62535^2 .

It is not a de Polignac number, because 16100111061 - 2² = 16100111057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16100111063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 894450606 + ... + 894450623.

It is an arithmetic number, because the mean of its divisors is an integer number (3875952665).

Almost surely, 2^16100111061 is an apocalyptic number.

It is an amenable number.

16100111061 is a deficient number, since it is larger than the sum of its proper divisors (7155604929).

16100111061 is a wasteful number, since it uses less digits than its factorization.

16100111061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788901235 (or 1788901232 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 16100111061 in words is "sixteen billion, one hundred million, one hundred eleven thousand, sixty-one".