165640143362230 has 16 divisors (see below), whose sum is σ = 298168328685024. Its totient is φ = 66252486093120.

The previous prime is 165640143362201. The next prime is 165640143362269. The reversal of 165640143362230 is 32263341046561.

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, 446211666 + ... + 446582725.

It is an arithmetic number, because the mean of its divisors is an integer number (18635520542814).

Almost surely, 2^{165640143362230} is an apocalyptic number.

165640143362230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165640143362230 is a deficient number, since it is larger than the sum of its proper divisors (132528185322794).

165640143362230 is a wasteful number, since it uses less digits than its factorization.

165640143362230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892812951.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 165640143362230 in words is "one hundred sixty-five trillion, six hundred forty billion, one hundred forty-three million, three hundred sixty-two thousand, two hundred thirty".