1432256566 has 16 divisors (see below), whose sum is σ = 2315928384. Its totient is φ = 660389184.

The previous prime is 1432256561. The next prime is 1432256587. The reversal of 1432256566 is 6656522341.

It is a happy number.

It is a super-2 number, since 2×1432256566² = 4102717741700224712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432256561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 53521.

It is an arithmetic number, because the mean of its divisors is an integer number (144745524).

Almost surely, 2^1432256566 is an apocalyptic number.

1432256566 is a deficient number, since it is larger than the sum of its proper divisors (883671818).

1432256566 is a wasteful number, since it uses less digits than its factorization.

1432256566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54375.

The product of its digits is 259200, while the sum is 40.

The square root of 1432256566 is about 37845.1656886319. The cubic root of 1432256566 is about 1127.2154705069.

The spelling of 1432256566 in words is "one billion, four hundred thirty-two million, two hundred fifty-six thousand, five hundred sixty-six".