1662240144 has 60 divisors (see below), whose sum is σ = 4561612304. Its totient is φ = 521482752.

The previous prime is 1662240101. The next prime is 1662240157. The reversal of 1662240144 is 4410422661.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 46042 + ... + 73785.

Almost surely, 2^1662240144 is an apocalyptic number.

It is an amenable number.

1662240144 is an abundant number, since it is smaller than the sum of its proper divisors (2899372160).

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

1662240144 is a wasteful number, since it uses less digits than its factorization.

1662240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119872 (or 119849 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1662240144 is about 40770.5793924982. The cubic root of 1662240144 is about 1184.5805262790.

The spelling of 1662240144 in words is "one billion, six hundred sixty-two million, two hundred forty thousand, one hundred forty-four".