1662169160 has 32 divisors (see below), whose sum is σ = 3860524800. Its totient is φ = 643419840.

The previous prime is 1662169141. The next prime is 1662169177. The reversal of 1662169160 is 619612661.

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, 668990 + ... + 671469.

It is an arithmetic number, because the mean of its divisors is an integer number (120641400).

Almost surely, 2^1662169160 is an apocalyptic number.

1662169160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1662169160 is an abundant number, since it is smaller than the sum of its proper divisors (2198355640).

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

1662169160 is a wasteful number, since it uses less digits than its factorization.

1662169160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340501 (or 1340497 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1662169160 is about 40769.7088535103. The cubic root of 1662169160 is about 1184.5636640020.

The spelling of 1662169160 in words is "one billion, six hundred sixty-two million, one hundred sixty-nine thousand, one hundred sixty".