161477266200 has 48 divisors (see below), whose sum is σ = 500579527080. Its totient is φ = 43060604160.

The previous prime is 161477266151. The next prime is 161477266207. The reversal of 161477266200 is 2662774161.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134563789 + ... + 134564988.

Almost surely, 2^161477266200 is an apocalyptic number.

161477266200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161477266200 is an abundant number, since it is smaller than the sum of its proper divisors (339102260880).

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

161477266200 is a wasteful number, since it uses less digits than its factorization.

161477266200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269128796 (or 269128787 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 161477266200 in words is "one hundred sixty-one billion, four hundred seventy-seven million, two hundred sixty-six thousand, two hundred".