10165220990 has 16 divisors (see below), whose sum is σ = 19092937248. Its totient is φ = 3889301856.

The previous prime is 10165220963. The next prime is 10165220993. The reversal of 10165220990 is 9902256101.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10165220990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10165220993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22098077 + ... + 22098536.

It is an arithmetic number, because the mean of its divisors is an integer number (1193308578).

Almost surely, 2^10165220990 is an apocalyptic number.

10165220990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10165220990 is a deficient number, since it is larger than the sum of its proper divisors (8927716258).

10165220990 is a wasteful number, since it uses less digits than its factorization.

10165220990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44196643.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 10165220990 in words is "ten billion, one hundred sixty-five million, two hundred twenty thousand, nine hundred ninety".