1646112053 has 2 divisors, whose sum is σ = 1646112054. Its totient is φ = 1646112052.

The previous prime is 1646112043. The next prime is 1646112089. The reversal of 1646112053 is 3502116461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098458449 + 547653604 = 33143^2 + 23402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1646112053 - 2¹⁶ = 1646046517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1646112043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 823056026 + 823056027.

It is an arithmetic number, because the mean of its divisors is an integer number (823056027).

Almost surely, 2^1646112053 is an apocalyptic number.

It is an amenable number.

1646112053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1646112053 is an equidigital number, since it uses as much as digits as its factorization.

1646112053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1646112053 is about 40572.3064786808. The cubic root of 1646112053 is about 1180.7368884333.

The spelling of 1646112053 in words is "one billion, six hundred forty-six million, one hundred twelve thousand, fifty-three".