161477266176 has 90 divisors (see below), whose sum is σ = 481496051652. Its totient is φ = 53825748480.

The previous prime is 161477266151. The next prime is 161477266207. The reversal of 161477266176 is 671662774161.

161477266176 is a `hidden beast` number, since 1 + 6 + 14 + 7 + 7 + 2 + 6 + 617 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3872910 + ... + 3914381.

Almost surely, 2^161477266176 is an apocalyptic number.

161477266176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161477266176 is an abundant number, since it is smaller than the sum of its proper divisors (320018785476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161477266176 is an frugal number, since it uses more digits than its factorization.

161477266176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787319 (or 7787296 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 161477266176 in words is "one hundred sixty-one billion, four hundred seventy-seven million, two hundred sixty-six thousand, one hundred seventy-six".