1012566416 has 10 divisors (see below), whose sum is σ = 1961847462. Its totient is φ = 506283200.

The previous prime is 1012566409. The next prime is 1012566419. The reversal of 1012566416 is 6146652101.

It can be written as a sum of positive squares in only one way, i.e., 983449600 + 29116816 = 31360^2 + 5396^2 .

It is a super-2 number, since 2×1012566416² = 2050581493622170112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012566419) by changing a digit.

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 as a sum of consecutive naturals, namely, 31642685 + ... + 31642716.

Almost surely, 2^1012566416 is an apocalyptic number.

1012566416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1012566416 is a deficient number, since it is larger than the sum of its proper divisors (949281046).

1012566416 is an equidigital number, since it uses as much as digits as its factorization.

1012566416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63285409 (or 63285403 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1012566416 is about 31820.8487630358. The cubic root of 1012566416 is about 1004.1713807216.

The spelling of 1012566416 in words is "one billion, twelve million, five hundred sixty-six thousand, four hundred sixteen".