80651522 has 16 divisors (see below), whose sum is σ = 142720512. Its totient is φ = 33449760.

The previous prime is 80651513. The next prime is 80651539. The reversal of 80651522 is 22515608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92483 + ... + 93350.

It is an arithmetic number, because the mean of its divisors is an integer number (8920032).

Almost surely, 2^80651522 is an apocalyptic number.

80651522 is a deficient number, since it is larger than the sum of its proper divisors (62068990).

80651522 is a wasteful number, since it uses less digits than its factorization.

80651522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185873.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 80651522 is about 8980.6192436825. The cubic root of 80651522 is about 432.0534948900.

The spelling of 80651522 in words is "eighty million, six hundred fifty-one thousand, five hundred twenty-two".