2146356466 has 8 divisors (see below), whose sum is σ = 3220776540. Its totient is φ = 1072764288.

The previous prime is 2146356461. The next prime is 2146356467. The reversal of 2146356466 is 6646536412.

It can be written as a sum of positive squares in 2 ways, for example, as 1825767441 + 320589025 = 42729^2 + 17905^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2146356461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200451 + ... + 210886.

Almost surely, 2^2146356466 is an apocalyptic number.

2146356466 is a deficient number, since it is larger than the sum of its proper divisors (1074420074).

2146356466 is a wasteful number, since it uses less digits than its factorization.

2146356466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413948.

The product of its digits is 622080, while the sum is 43.

The square root of 2146356466 is about 46328.7865802678. The cubic root of 2146356466 is about 1289.9333871819.

The spelling of 2146356466 in words is "two billion, one hundred forty-six million, three hundred fifty-six thousand, four hundred sixty-six".