1654943310916 has 45 divisors (see below), whose sum is σ = 3378898955999. Its totient is φ = 709207388232.

The previous prime is 1654943310913. The next prime is 1654943310961. The reversal of 1654943310916 is 6190133494561.

The square root of 1654943310916 is 1286446.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1654943310916² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1654943310913) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 126065145 + ... + 126078271.

Almost surely, 2^{1654943310916} is an apocalyptic number.

1654943310916 is the 1286446-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1654943310916

1654943310916 is an abundant number, since it is smaller than the sum of its proper divisors (1723955645083).

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

1654943310916 is an frugal number, since it uses more digits than its factorization.

1654943310916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26286 (or 13136 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 1654943310916 in words is "one trillion, six hundred fifty-four billion, nine hundred forty-three million, three hundred ten thousand, nine hundred sixteen".