1066516674 has 16 divisors (see below), whose sum is σ = 2140966080. Its totient is φ = 354183440.

The previous prime is 1066516667. The next prime is 1066516691. The reversal of 1066516674 is 4766156601.

It is a happy number.

It is a super-2 number, since 2×1066516674² = 2274915631840044552, which contains 22 as substring.

It is a Curzon 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, 328782 + ... + 332009.

It is an arithmetic number, because the mean of its divisors is an integer number (133810380).

Almost surely, 2^1066516674 is an apocalyptic number.

1066516674 is an abundant number, since it is smaller than the sum of its proper divisors (1074449406).

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

1066516674 is a wasteful number, since it uses less digits than its factorization.

1066516674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661065.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1066516674 is about 32657.5668720130. The cubic root of 1066516674 is about 1021.6980156150.

The spelling of 1066516674 in words is "one billion, sixty-six million, five hundred sixteen thousand, six hundred seventy-four".