80201643 has 16 divisors (see below), whose sum is σ = 108466176. Its totient is φ = 52708320.

The previous prime is 80201623. The next prime is 80201651. The reversal of 80201643 is 34610208.

It is a happy number.

It is not a de Polignac number, because 80201643 - 2⁹ = 80201131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80201623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68380 + ... + 69542.

It is an arithmetic number, because the mean of its divisors is an integer number (6779136).

Almost surely, 2^80201643 is an apocalyptic number.

80201643 is a deficient number, since it is larger than the sum of its proper divisors (28264533).

80201643 is a wasteful number, since it uses less digits than its factorization.

80201643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 80201643 is about 8955.5370023243. The cubic root of 80201643 is about 431.2486564965.

The spelling of 80201643 in words is "eighty million, two hundred one thousand, six hundred forty-three".