2146254551466 has 8 divisors (see below), whose sum is σ = 4292509102944. Its totient is φ = 715418183820.

The previous prime is 2146254551447. The next prime is 2146254551477. The reversal of 2146254551466 is 6641554526412.

It is a sphenic number, since it is the product of 3 distinct primes.

2146254551466 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178854545950 + ... + 178854545961.

It is an arithmetic number, because the mean of its divisors is an integer number (536563637868).

Almost surely, 2^{2146254551466} is an apocalyptic number.

2146254551466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146254551466 is a wasteful number, since it uses less digits than its factorization.

2146254551466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357709091916.

The product of its digits is 6912000, while the sum is 51.

The spelling of 2146254551466 in words is "two trillion, one hundred forty-six billion, two hundred fifty-four million, five hundred fifty-one thousand, four hundred sixty-six".