161774476006 has 64 divisors (see below), whose sum is σ = 290417089536. Its totient is φ = 66615436800.

The previous prime is 161774475997. The next prime is 161774476009. The reversal of 161774476006 is 600674477161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161774476009) 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, 5177326 + ... + 5208478.

It is an arithmetic number, because the mean of its divisors is an integer number (4537767024).

Almost surely, 2^161774476006 is an apocalyptic number.

161774476006 is a deficient number, since it is larger than the sum of its proper divisors (128642613530).

161774476006 is a wasteful number, since it uses less digits than its factorization.

161774476006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31517.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 161774476006 in words is "one hundred sixty-one billion, seven hundred seventy-four million, four hundred seventy-six thousand, six".