1490016660 has 96 divisors (see below), whose sum is σ = 4581771264. Its totient is φ = 358800000.

The previous prime is 1490016641. The next prime is 1490016673. The reversal of 1490016660 is 666100941.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 92185 + ... + 107135.

It is an arithmetic number, because the mean of its divisors is an integer number (47726784).

Almost surely, 2^1490016660 is an apocalyptic number.

1490016660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490016660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290885632).

1490016660 is an abundant number, since it is smaller than the sum of its proper divisors (3091754604).

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

1490016660 is a wasteful number, since it uses less digits than its factorization.

1490016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125 (or 15123 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1490016660 is about 38600.7339308464. The cubic root of 1490016660 is about 1142.1690160968.

The spelling of 1490016660 in words is "one billion, four hundred ninety million, sixteen thousand, six hundred sixty".