1566160140 has 24 divisors (see below), whose sum is σ = 4385248560. Its totient is φ = 417642688.

The previous prime is 1566160129. The next prime is 1566160159. The reversal of 1566160140 is 410616651.

It is a super-3 number, since 3×1566160140³ (a number of 29 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1566160098 and 1566160107.

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, 13051275 + ... + 13051394.

It is an arithmetic number, because the mean of its divisors is an integer number (182718690).

Almost surely, 2^1566160140 is an apocalyptic number.

1566160140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1566160140 is an abundant number, since it is smaller than the sum of its proper divisors (2819088420).

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

1566160140 is a wasteful number, since it uses less digits than its factorization.

1566160140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26102681 (or 26102679 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1566160140 is about 39574.7411867722. The cubic root of 1566160140 is about 1161.3025746313.

Adding to 1566160140 its reverse (410616651), we get a palindrome (1976776791).

The spelling of 1566160140 in words is "one billion, five hundred sixty-six million, one hundred sixty thousand, one hundred forty".