1066620246 has 16 divisors (see below), whose sum is σ = 2182851264. Its totient is φ = 347271624.

The previous prime is 1066620199. The next prime is 1066620257. The reversal of 1066620246 is 6420266601.

It is a super-2 number, since 2×1066620246² = 2275357498354201032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066836 + ... + 2067351.

It is an arithmetic number, because the mean of its divisors is an integer number (136428204).

Almost surely, 2^1066620246 is an apocalyptic number.

1066620246 is an abundant number, since it is smaller than the sum of its proper divisors (1116231018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066620246 is a wasteful number, since it uses less digits than its factorization.

1066620246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134235.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1066620246 is about 32659.1525609591. The cubic root of 1066620246 is about 1021.7310877286.

Adding to 1066620246 its reverse (6420266601), we get a palindrome (7486886847).

The spelling of 1066620246 in words is "one billion, sixty-six million, six hundred twenty thousand, two hundred forty-six".