1052163661 has 2 divisors, whose sum is σ = 1052163662. Its totient is φ = 1052163660.

The previous prime is 1052163659. The next prime is 1052163731. The reversal of 1052163661 is 1663612501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046846025 + 5317636 = 32355^2 + 2306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052163661 - 2¹ = 1052163659 is a prime.

It is a super-2 number, since 2×1052163661² = 2214096739057845842, which contains 22 as substring.

Together with 1052163659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052163061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526081830 + 526081831.

It is an arithmetic number, because the mean of its divisors is an integer number (526081831).

Almost surely, 2^1052163661 is an apocalyptic number.

It is an amenable number.

1052163661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052163661 is an equidigital number, since it uses as much as digits as its factorization.

1052163661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1052163661 is about 32437.0723247336. The cubic root of 1052163661 is about 1017.0940166082.

The spelling of 1052163661 in words is "one billion, fifty-two million, one hundred sixty-three thousand, six hundred sixty-one".