1606241280 has 176 divisors, whose sum is σ = 5871778560. Its totient is φ = 367116288.

The previous prime is 1606241249. The next prime is 1606241281. The reversal of 1606241280 is 821426061.

It is a super-2 number, since 2×1606241280² = 5160022099152076800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1606241281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100051 + ... + 114989.

Almost surely, 2^1606241280 is an apocalyptic number.

1606241280 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 1606241280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2935889280).

1606241280 is an abundant number, since it is smaller than the sum of its proper divisors (4265537280).

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

1606241280 is a wasteful number, since it uses less digits than its factorization.

1606241280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974 (or 14956 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1606241280 is about 40077.9400668248. The cubic root of 1606241280 is about 1171.1259232315.

The spelling of 1606241280 in words is "one billion, six hundred six million, two hundred forty-one thousand, two hundred eighty".