1066610626 has 4 divisors (see below), whose sum is σ = 1599915942. Its totient is φ = 533305312.

The previous prime is 1066610609. The next prime is 1066610639. The reversal of 1066610626 is 6260166601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 873261601 + 193349025 = 29551^2 + 13905^2 .

It is a super-2 number, since 2×1066610626² = 2275316454992223752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066610591 and 1066610600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266652655 + ... + 266652658.

Almost surely, 2^1066610626 is an apocalyptic number.

1066610626 is a deficient number, since it is larger than the sum of its proper divisors (533305316).

1066610626 is an equidigital number, since it uses as much as digits as its factorization.

1066610626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533305315.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1066610626 is about 32659.0052818514. The cubic root of 1066610626 is about 1021.7280160066.

The spelling of 1066610626 in words is "one billion, sixty-six million, six hundred ten thousand, six hundred twenty-six".