180463856 has 20 divisors (see below), whose sum is σ = 349857072. Its totient is φ = 90178176.

The previous prime is 180463853. The next prime is 180463861. The reversal of 180463856 is 658364081.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180463853) 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, 50381 + ... + 53843.

Almost surely, 2^180463856 is an apocalyptic number.

180463856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180463856 is a deficient number, since it is larger than the sum of its proper divisors (169393216).

180463856 is a wasteful number, since it uses less digits than its factorization.

180463856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 180463856 is about 13433.6836348040. The cubic root of 180463856 is about 565.1062070946.

The spelling of 180463856 in words is "one hundred eighty million, four hundred sixty-three thousand, eight hundred fifty-six".