161477267176 has 8 divisors (see below), whose sum is σ = 302769875970. Its totient is φ = 80738633584.

The previous prime is 161477267167. The next prime is 161477267179. The reversal of 161477267176 is 671762774161.

161477267176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111602764900 + 49874502276 = 334070^2 + 223326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (161477267179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10092329191 + ... + 10092329206.

Almost surely, 2^161477267176 is an apocalyptic number.

It is an amenable number.

161477267176 is a deficient number, since it is larger than the sum of its proper divisors (141292608794).

161477267176 is a wasteful number, since it uses less digits than its factorization.

161477267176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184658403 (or 20184658399 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 55.

The spelling of 161477267176 in words is "one hundred sixty-one billion, four hundred seventy-seven million, two hundred sixty-seven thousand, one hundred seventy-six".