1290077616 has 40 divisors (see below), whose sum is σ = 3340899760. Its totient is φ = 428967936.

The previous prime is 1290077609. The next prime is 1290077671. The reversal of 1290077616 is 6167700921.

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 in 7 ways as a sum of consecutive naturals, for example, 13225 + ... + 52488.

It is an arithmetic number, because the mean of its divisors is an integer number (83522494).

Almost surely, 2^1290077616 is an apocalyptic number.

1290077616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1290077616 is an abundant number, since it is smaller than the sum of its proper divisors (2050822144).

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

1290077616 is a wasteful number, since it uses less digits than its factorization.

1290077616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66133 (or 66127 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 1290077616 is about 35917.6504799521. The cubic root of 1290077616 is about 1088.6090655181.

The spelling of 1290077616 in words is "one billion, two hundred ninety million, seventy-seven thousand, six hundred sixteen".