1153642066 has 16 divisors (see below), whose sum is σ = 1854334944. Its totient is φ = 536348224.

The previous prime is 1153642031. The next prime is 1153642079. The reversal of 1153642066 is 6602463511.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 in 7 ways as a sum of consecutive naturals, for example, 201580 + ... + 207223.

It is an arithmetic number, because the mean of its divisors is an integer number (115895934).

Almost surely, 2^1153642066 is an apocalyptic number.

1153642066 is a deficient number, since it is larger than the sum of its proper divisors (700692878).

1153642066 is a wasteful number, since it uses less digits than its factorization.

1153642066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408905.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1153642066 is about 33965.3067997332. The cubic root of 1153642066 is about 1048.7944034296.

The spelling of 1153642066 in words is "one billion, one hundred fifty-three million, six hundred forty-two thousand, sixty-six".