1656016443 has 6 divisors (see below), whose sum is σ = 2392023764. Its totient is φ = 1104010956.

The previous prime is 1656016441. The next prime is 1656016451. The reversal of 1656016443 is 3446106561.

It is a happy number.

1656016443 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 0 + 1 + 644 + 3 = 666.

It is not a de Polignac number, because 1656016443 - 2¹ = 1656016441 is a prime.

It is a super-3 number, since 3×1656016443³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1656016398 and 1656016407.

It is not an unprimeable number, because it can be changed into a prime (1656016441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92000905 + ... + 92000922.

Almost surely, 2^1656016443 is an apocalyptic number.

1656016443 is a deficient number, since it is larger than the sum of its proper divisors (736007321).

1656016443 is a wasteful number, since it uses less digits than its factorization.

1656016443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184001833 (or 184001830 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1656016443 is about 40694.1819305905. The cubic root of 1656016443 is about 1183.1002557189.

The spelling of 1656016443 in words is "one billion, six hundred fifty-six million, sixteen thousand, four hundred forty-three".