165206342512406 has 32 divisors (see below), whose sum is σ = 267031233252000. Its totient is φ = 76203529341696.

The previous prime is 165206342512397. The next prime is 165206342512423. The reversal of 165206342512406 is 604215243602561.

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, 857009720 + ... + 857202468.

It is an arithmetic number, because the mean of its divisors is an integer number (8344726039125).

Almost surely, 2^{165206342512406} is an apocalyptic number.

165206342512406 is a deficient number, since it is larger than the sum of its proper divisors (101824890739594).

165206342512406 is a wasteful number, since it uses less digits than its factorization.

165206342512406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212288.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 165206342512406 in words is "one hundred sixty-five trillion, two hundred six billion, three hundred forty-two million, five hundred twelve thousand, four hundred six".