1216504848 has 40 divisors (see below), whose sum is σ = 3384380608. Its totient is φ = 374308992.

The previous prime is 1216504843. The next prime is 1216504859. The reversal of 1216504848 is 8484056121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1216504843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974140 + ... + 975387.

Almost surely, 2^1216504848 is an apocalyptic number.

It is an amenable number.

1216504848 is an abundant number, since it is smaller than the sum of its proper divisors (2167875760).

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

1216504848 is a wasteful number, since it uses less digits than its factorization.

1216504848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949551 (or 1949545 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1216504848 is about 34878.4295518018. The cubic root of 1216504848 is about 1067.5083514677.

The spelling of 1216504848 in words is "one billion, two hundred sixteen million, five hundred four thousand, eight hundred forty-eight".