10161660 has 24 divisors (see below), whose sum is σ = 28452816. Its totient is φ = 2709760.

The previous prime is 10161659. The next prime is 10161703. The reversal of 10161660 is 6616101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84621 + ... + 84740.

It is an arithmetic number, because the mean of its divisors is an integer number (1185534).

Almost surely, 2^10161660 is an apocalyptic number.

10161660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10161660 is an abundant number, since it is smaller than the sum of its proper divisors (18291156).

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

10161660 is a wasteful number, since it uses less digits than its factorization.

10161660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169373 (or 169371 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10161660 is about 3187.7358736257. The cubic root of 10161660 is about 216.5982216415.

Adding to 10161660 its reverse (6616101), we get a palindrome (16777761).

The spelling of 10161660 in words is "ten million, one hundred sixty-one thousand, six hundred sixty".