1206040206165 has 32 divisors (see below), whose sum is σ = 1974827496576. Its totient is φ = 628171407360.

The previous prime is 1206040206143. The next prime is 1206040206191. The reversal of 1206040206165 is 5616020406021.

It is not a de Polignac number, because 1206040206165 - 2⁶ = 1206040206101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4419285 + ... + 4684245.

It is an arithmetic number, because the mean of its divisors is an integer number (61713359268).

Almost surely, 2^{1206040206165} is an apocalyptic number.

1206040206165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206040206165 is a deficient number, since it is larger than the sum of its proper divisors (768787290411).

1206040206165 is a wasteful number, since it uses less digits than its factorization.

1206040206165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272069.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 1206040206165 in words is "one trillion, two hundred six billion, forty million, two hundred six thousand, one hundred sixty-five".