1074653666 has 4 divisors (see below), whose sum is σ = 1611980502. Its totient is φ = 537326832.

The previous prime is 1074653651. The next prime is 1074653677. The reversal of 1074653666 is 6663564701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6663564701 = 28711 ⋅232091.

It can be written as a sum of positive squares in only one way, i.e., 905107225 + 169546441 = 30085^2 + 13021^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268663415 + ... + 268663418.

Almost surely, 2^1074653666 is an apocalyptic number.

1074653666 is a deficient number, since it is larger than the sum of its proper divisors (537326836).

1074653666 is an equidigital number, since it uses as much as digits as its factorization.

1074653666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537326835.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 1074653666 is about 32781.9106520654. The cubic root of 1074653666 is about 1024.2897847506.

The spelling of 1074653666 in words is "one billion, seventy-four million, six hundred fifty-three thousand, six hundred sixty-six".