1550016660 has 48 divisors (see below), whose sum is σ = 4341851136. Its totient is φ = 413165952.

The previous prime is 1550016653. The next prime is 1550016707. The reversal of 1550016660 is 666100551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 214669 + ... + 221771.

It is an arithmetic number, because the mean of its divisors is an integer number (90455232).

Almost surely, 2^1550016660 is an apocalyptic number.

1550016660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550016660 is an abundant number, since it is smaller than the sum of its proper divisors (2791834476).

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

1550016660 is a wasteful number, since it uses less digits than its factorization.

1550016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752 (or 10750 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1550016660 is about 39370.2509517021. The cubic root of 1550016660 is about 1157.2986735979.

The spelling of 1550016660 in words is "one billion, five hundred fifty million, sixteen thousand, six hundred sixty".