161377243006 has 16 divisors (see below), whose sum is σ = 276766570080. Its totient is φ = 69131708640.

The previous prime is 161377242991. The next prime is 161377243009. The reversal of 161377243006 is 600342773161.

161377243006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161377243006² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161377243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161377243009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463765 + ... + 2528416.

It is an arithmetic number, because the mean of its divisors is an integer number (17297910630).

Almost surely, 2^161377243006 is an apocalyptic number.

161377243006 is a deficient number, since it is larger than the sum of its proper divisors (115389327074).

161377243006 is a wasteful number, since it uses less digits than its factorization.

161377243006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994499.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 161377243006 in words is "one hundred sixty-one billion, three hundred seventy-seven million, two hundred forty-three thousand, six".