1076721066 has 32 divisors (see below), whose sum is σ = 2399854080. Its totient is φ = 357835968.

The previous prime is 1076721059. The next prime is 1076721083. The reversal of 1076721066 is 6601276701.

It is a self number, because there is not a number n which added to its sum of digits gives 1076721066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11386 + ... + 47781.

It is an arithmetic number, because the mean of its divisors is an integer number (74995440).

Almost surely, 2^1076721066 is an apocalyptic number.

1076721066 is an abundant number, since it is smaller than the sum of its proper divisors (1323133014).

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

1076721066 is a wasteful number, since it uses less digits than its factorization.

1076721066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59515 (or 59509 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1076721066 is about 32813.4281354448. The cubic root of 1076721066 is about 1024.9462009439.

Adding to 1076721066 its reverse (6601276701), we get a palindrome (7677997767).

The spelling of 1076721066 in words is "one billion, seventy-six million, seven hundred twenty-one thousand, sixty-six".