1406617616 has 10 divisors (see below), whose sum is σ = 2725321662. Its totient is φ = 703308800.

The previous prime is 1406617603. The next prime is 1406617637. The reversal of 1406617616 is 6167166041.

It can be written as a sum of positive squares in only one way, i.e., 1406550016 + 67600 = 37504^2 + 260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1406617616.

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 as a sum of consecutive naturals, namely, 43956785 + ... + 43956816.

Almost surely, 2^1406617616 is an apocalyptic number.

1406617616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1406617616 is a deficient number, since it is larger than the sum of its proper divisors (1318704046).

1406617616 is an equidigital number, since it uses as much as digits as its factorization.

1406617616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87913609 (or 87913603 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1406617616 is about 37504.9012263731. The cubic root of 1406617616 is about 1120.4488039758.

The spelling of 1406617616 in words is "one billion, four hundred six million, six hundred seventeen thousand, six hundred sixteen".