1660606368 has 24 divisors (see below), whose sum is σ = 4359091968. Its totient is φ = 553535424.

The previous prime is 1660606333. The next prime is 1660606487. The reversal of 1660606368 is 8636060661.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1660606368² = 5515227018884302848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8648896 + ... + 8649087.

It is an arithmetic number, because the mean of its divisors is an integer number (181628832).

Almost surely, 2^1660606368 is an apocalyptic number.

It is an amenable number.

1660606368 is an abundant number, since it is smaller than the sum of its proper divisors (2698485600).

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

1660606368 is a wasteful number, since it uses less digits than its factorization.

1660606368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297996 (or 17297988 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1660606368 is about 40750.5382541139. The cubic root of 1660606368 is about 1184.1923004555.

The spelling of 1660606368 in words is "one billion, six hundred sixty million, six hundred six thousand, three hundred sixty-eight".