1660533522 has 16 divisors (see below), whose sum is σ = 3327836832. Its totient is φ = 552382880.

The previous prime is 1660533517. The next prime is 1660533527. The reversal of 1660533522 is 2253350661.

It is an interprime number because it is at equal distance from previous prime (1660533517) and next prime (1660533527).

It is not an unprimeable number, because it can be changed into a prime (1660533527) by changing a digit.

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, 278883 + ... + 284774.

It is an arithmetic number, because the mean of its divisors is an integer number (207989802).

Almost surely, 2^1660533522 is an apocalyptic number.

1660533522 is an abundant number, since it is smaller than the sum of its proper divisors (1667303310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1660533522 is a wasteful number, since it uses less digits than its factorization.

1660533522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564153.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1660533522 is about 40749.6444401666. The cubic root of 1660533522 is about 1184.1749845048.

The spelling of 1660533522 in words is "one billion, six hundred sixty million, five hundred thirty-three thousand, five hundred twenty-two".