10161780 has 48 divisors (see below), whose sum is σ = 28607040. Its totient is φ = 2695168.

The previous prime is 10161779. The next prime is 10161793. The reversal of 10161780 is 8716101.

10161780 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10161780.

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, 15091 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (595980).

Almost surely, 2^10161780 is an apocalyptic number.

10161780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10161780 is an abundant number, since it is smaller than the sum of its proper divisors (18445260).

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

10161780 is a wasteful number, since it uses less digits than its factorization.

10161780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 10161780 is about 3187.7546957067. The cubic root of 10161780 is about 216.5990742477.

Adding to 10161780 its reverse (8716101), we get a palindrome (18877881).

The spelling of 10161780 in words is "ten million, one hundred sixty-one thousand, seven hundred eighty".