163049780 has 48 divisors (see below), whose sum is σ = 349272000. Its totient is φ = 63926016.

The previous prime is 163049749. The next prime is 163049813. The reversal of 163049780 is 87940361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247091 + ... + 247749.

It is an arithmetic number, because the mean of its divisors is an integer number (7276500).

Almost surely, 2^163049780 is an apocalyptic number.

163049780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163049780 is an abundant number, since it is smaller than the sum of its proper divisors (186222220).

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

163049780 is a wasteful number, since it uses less digits than its factorization.

163049780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 163049780 is about 12769.0947212400. The cubic root of 163049780 is about 546.3111600605.

The spelling of 163049780 in words is "one hundred sixty-three million, forty-nine thousand, seven hundred eighty".