1052357668 has 12 divisors (see below), whose sum is σ = 1844615052. Its totient is φ = 525324800.

The previous prime is 1052357659. The next prime is 1052357671. The reversal of 1052357668 is 8667532501.

It can be written as a sum of positive squares in 2 ways, for example, as 208571364 + 843786304 = 14442^2 + 29048^2 .

It is a super-2 number, since 2×1052357668² = 2214913322796796448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210733 + ... + 215668.

It is an arithmetic number, because the mean of its divisors is an integer number (153717921).

Almost surely, 2^1052357668 is an apocalyptic number.

It is an amenable number.

1052357668 is a deficient number, since it is larger than the sum of its proper divisors (792257384).

1052357668 is a wasteful number, since it uses less digits than its factorization.

1052357668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427022 (or 427020 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1052357668 is about 32440.0627003093. The cubic root of 1052357668 is about 1017.1565262853.

The spelling of 1052357668 in words is "one billion, fifty-two million, three hundred fifty-seven thousand, six hundred sixty-eight".