1006616626 has 4 divisors (see below), whose sum is σ = 1509924942. Its totient is φ = 503308312.

The previous prime is 1006616623. The next prime is 1006616669. The reversal of 1006616626 is 6266166001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6266166001 = 3041 ⋅2060561.

It can be written as a sum of positive squares in only one way, i.e., 598536225 + 408080401 = 24465^2 + 20201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1006616591 and 1006616600.

It is not an unprimeable number, because it can be changed into a prime (1006616621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251654155 + ... + 251654158.

Almost surely, 2^1006616626 is an apocalyptic number.

1006616626 is a deficient number, since it is larger than the sum of its proper divisors (503308316).

1006616626 is an equidigital number, since it uses as much as digits as its factorization.

1006616626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503308315.

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

The square root of 1006616626 is about 31727.2221601577. Note that the first 3 decimals coincide. The cubic root of 1006616626 is about 1002.2006953871.

The spelling of 1006616626 in words is "one billion, six million, six hundred sixteen thousand, six hundred twenty-six".