161477266208 has 24 divisors (see below), whose sum is σ = 318399766272. Its totient is φ = 80613833536.

The previous prime is 161477266207. The next prime is 161477266277. The reversal of 161477266208 is 802662774161.

It is not an unprimeable number, because it can be changed into a prime (161477266207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878960 + ... + 3920367.

It is an arithmetic number, because the mean of its divisors is an integer number (13266656928).

Almost surely, 2^161477266208 is an apocalyptic number.

It is an amenable number.

161477266208 is a deficient number, since it is larger than the sum of its proper divisors (156922500064).

161477266208 is an equidigital number, since it uses as much as digits as its factorization.

161477266208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799984 (or 7799976 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 161477266208 in words is "one hundred sixty-one billion, four hundred seventy-seven million, two hundred sixty-six thousand, two hundred eight".