143920591066 has 16 divisors (see below), whose sum is σ = 247659122304. Its totient is φ = 61445726064.

The previous prime is 143920591051. The next prime is 143920591081. The reversal of 143920591066 is 660195029341.

It is an interprime number because it is at equal distance from previous prime (143920591051) and next prime (143920591081).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 19540125 + ... + 19547488.

It is an arithmetic number, because the mean of its divisors is an integer number (15478695144).

Almost surely, 2^143920591066 is an apocalyptic number.

143920591066 is a deficient number, since it is larger than the sum of its proper divisors (103738531238).

143920591066 is a wasteful number, since it uses less digits than its factorization.

143920591066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39087885.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 143920591066 in words is "one hundred forty-three billion, nine hundred twenty million, five hundred ninety-one thousand, sixty-six".