1015474666 has 4 divisors (see below), whose sum is σ = 1523212002. Its totient is φ = 507737332.

The previous prime is 1015474661. The next prime is 1015474673. The reversal of 1015474666 is 6664745101.

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., 955737225 + 59737441 = 30915^2 + 7729^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1015474661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253868665 + ... + 253868668.

Almost surely, 2^1015474666 is an apocalyptic number.

1015474666 is a deficient number, since it is larger than the sum of its proper divisors (507737336).

1015474666 is an equidigital number, since it uses as much as digits as its factorization.

1015474666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507737335.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1015474666 is about 31866.5132388217. The cubic root of 1015474666 is about 1005.1318411560.

The spelling of 1015474666 in words is "one billion, fifteen million, four hundred seventy-four thousand, six hundred sixty-six".