2146668087542 has 16 divisors (see below), whose sum is σ = 3544956478800. Its totient is φ = 966806310240.

The previous prime is 2146668087497. The next prime is 2146668087563. The reversal of 2146668087542 is 2457808666412.

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, 447593117 + ... + 447597912.

It is an arithmetic number, because the mean of its divisors is an integer number (221559779925).

Almost surely, 2^{2146668087542} is an apocalyptic number.

2146668087542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2146668087542 is a deficient number, since it is larger than the sum of its proper divisors (1398288391258).

2146668087542 is a wasteful number, since it uses less digits than its factorization.

2146668087542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895191151.

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 2146668087542 in words is "two trillion, one hundred forty-six billion, six hundred sixty-eight million, eighty-seven thousand, five hundred forty-two".