1152451666 has 8 divisors (see below), whose sum is σ = 1730265264. Its totient is φ = 575696580.

The previous prime is 1152451633. The next prime is 1152451667. The reversal of 1152451666 is 6661542511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1152451667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261900 + ... + 266263.

It is an arithmetic number, because the mean of its divisors is an integer number (216283158).

Almost surely, 2^1152451666 is an apocalyptic number.

1152451666 is a deficient number, since it is larger than the sum of its proper divisors (577813598).

1152451666 is a wasteful number, since it uses less digits than its factorization.

1152451666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529256.

The product of its digits is 43200, while the sum is 37.

The square root of 1152451666 is about 33947.7785134757. The cubic root of 1152451666 is about 1048.4335420722.

It can be divided in two parts, 11524 and 51666, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 1152451666 in words is "one billion, one hundred fifty-two million, four hundred fifty-one thousand, six hundred sixty-six".