1077512168 has 32 divisors (see below), whose sum is σ = 2092213800. Its totient is φ = 519628032.

The previous prime is 1077512153. The next prime is 1077512171. The reversal of 1077512168 is 8612157701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 722641924 + 354870244 = 26882^2 + 18838^2 .

It is a super-2 number, since 2×1077512168² = 2322064944376120448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294446 + ... + 298082.

Almost surely, 2^1077512168 is an apocalyptic number.

It is an amenable number.

1077512168 is a deficient number, since it is larger than the sum of its proper divisors (1014701632).

1077512168 is a wasteful number, since it uses less digits than its factorization.

1077512168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 38.

The square root of 1077512168 is about 32825.4804686847. The cubic root of 1077512168 is about 1025.1971599320.

Adding to 1077512168 its reverse (8612157701), we get a palindrome (9689669869).

The spelling of 1077512168 in words is "one billion, seventy-seven million, five hundred twelve thousand, one hundred sixty-eight".