1550161560 has 32 divisors (see below), whose sum is σ = 4650485040. Its totient is φ = 413376384.

The previous prime is 1550161523. The next prime is 1550161577. The reversal of 1550161560 is 651610551.

1550161560 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6458887 + ... + 6459126.

Almost surely, 2^1550161560 is an apocalyptic number.

1550161560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550161560 is an abundant number, since it is smaller than the sum of its proper divisors (3100323480).

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

1550161560 is a wasteful number, since it uses less digits than its factorization.

1550161560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918027 (or 12918023 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1550161560 is about 39372.0911306474. The cubic root of 1550161560 is about 1157.3347350066.

The spelling of 1550161560 in words is "one billion, five hundred fifty million, one hundred sixty-one thousand, five hundred sixty".