1662530161 has 8 divisors (see below), whose sum is σ = 1688780000. Its totient is φ = 1636322688.

The previous prime is 1662530159. The next prime is 1662530167. The reversal of 1662530161 is 1610352661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1662530161 - 2¹ = 1662530159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1662530167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73750 + ... + 93616.

It is an arithmetic number, because the mean of its divisors is an integer number (211097500).

Almost surely, 2^1662530161 is an apocalyptic number.

It is an amenable number.

1662530161 is a deficient number, since it is larger than the sum of its proper divisors (26249839).

1662530161 is a wasteful number, since it uses less digits than its factorization.

1662530161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21183.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1662530161 is about 40774.1359319851. The cubic root of 1662530161 is about 1184.6494149438.

The spelling of 1662530161 in words is "one billion, six hundred sixty-two million, five hundred thirty thousand, one hundred sixty-one".