163665010 has 32 divisors (see below), whose sum is σ = 309318912. Its totient is φ = 62230080.

The previous prime is 163664999. The next prime is 163665017. The reversal of 163665010 is 10566361.

It is a self number, because there is not a number n which added to its sum of digits gives 163665010.

It is not an unprimeable number, because it can be changed into a prime (163665017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36280 + ... + 40540.

It is an arithmetic number, because the mean of its divisors is an integer number (9666216).

Almost surely, 2^163665010 is an apocalyptic number.

163665010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163665010 is a deficient number, since it is larger than the sum of its proper divisors (145653902).

163665010 is a wasteful number, since it uses less digits than its factorization.

163665010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 163665010 is about 12793.1626269660. The cubic root of 163665010 is about 546.9974231937.

The spelling of 163665010 in words is "one hundred sixty-three million, six hundred sixty-five thousand, ten".