1006506766 has 4 divisors (see below), whose sum is σ = 1509760152. Its totient is φ = 503253382.

The previous prime is 1006506731. The next prime is 1006506821. The reversal of 1006506766 is 6676056001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6676056001 = 61 ⋅109443541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251626690 + ... + 251626693.

It is an arithmetic number, because the mean of its divisors is an integer number (377440038).

Almost surely, 2^1006506766 is an apocalyptic number.

1006506766 is a deficient number, since it is larger than the sum of its proper divisors (503253386).

1006506766 is an equidigital number, since it uses as much as digits as its factorization.

1006506766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503253385.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1006506766 is about 31725.4907921060. The cubic root of 1006506766 is about 1002.1642347091.

It can be divided in two parts, 100650 and 6766, that added together give a triangular number (107416 = T₄₆₃).

The spelling of 1006506766 in words is "one billion, six million, five hundred six thousand, seven hundred sixty-six".