1646242701420 has 24 divisors (see below), whose sum is σ = 4609479564144. Its totient is φ = 438998053696.

The previous prime is 1646242701373. The next prime is 1646242701461. The reversal of 1646242701420 is 241072426461.

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, 13718689119 + ... + 13718689238.

It is an arithmetic number, because the mean of its divisors is an integer number (192061648506).

Almost surely, 2^{1646242701420} is an apocalyptic number.

1646242701420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1646242701420 is an abundant number, since it is smaller than the sum of its proper divisors (2963236862724).

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

1646242701420 is a wasteful number, since it uses less digits than its factorization.

1646242701420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27437378369 (or 27437378367 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 1646242701420 in words is "one trillion, six hundred forty-six billion, two hundred forty-two million, seven hundred one thousand, four hundred twenty".