1516466540 has 12 divisors (see below), whose sum is σ = 3184579776. Its totient is φ = 606586608.

The previous prime is 1516466531. The next prime is 1516466569. The reversal of 1516466540 is 456646151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1516466494 and 1516466503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37911644 + ... + 37911683.

It is an arithmetic number, because the mean of its divisors is an integer number (265381648).

Almost surely, 2^1516466540 is an apocalyptic number.

1516466540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516466540 is an abundant number, since it is smaller than the sum of its proper divisors (1668113236).

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

1516466540 is a wasteful number, since it uses less digits than its factorization.

1516466540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75823336 (or 75823334 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1516466540 is about 38941.8353445238. The cubic root of 1516466540 is about 1148.8877816316.

The spelling of 1516466540 in words is "one billion, five hundred sixteen million, four hundred sixty-six thousand, five hundred forty".