2061665502245 has 32 divisors (see below), whose sum is σ = 2550759531264. Its totient is φ = 1598686502400.

The previous prime is 2061665502241. The next prime is 2061665502263. The reversal of 2061665502245 is 5422055661602.

It is not a de Polignac number, because 2061665502245 - 2² = 2061665502241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061665502196 and 2061665502205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061665502241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117311279 + ... + 117328851.

It is an arithmetic number, because the mean of its divisors is an integer number (79711235352).

Almost surely, 2^{2061665502245} is an apocalyptic number.

It is an amenable number.

2061665502245 is a deficient number, since it is larger than the sum of its proper divisors (489094029019).

2061665502245 is a wasteful number, since it uses less digits than its factorization.

2061665502245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21293.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 2061665502245 in words is "two trillion, sixty-one billion, six hundred sixty-five million, five hundred two thousand, two hundred forty-five".