1216762314 has 16 divisors (see below), whose sum is σ = 2490118752. Its totient is φ = 396155088.

The previous prime is 1216762249. The next prime is 1216762319. The reversal of 1216762314 is 4132676121.

It is not an unprimeable number, because it can be changed into a prime (1216762319) 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, 2357809 + ... + 2358324.

It is an arithmetic number, because the mean of its divisors is an integer number (155632422).

Almost surely, 2^1216762314 is an apocalyptic number.

1216762314 is an abundant number, since it is smaller than the sum of its proper divisors (1273356438).

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

1216762314 is a wasteful number, since it uses less digits than its factorization.

1216762314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716181.

The product of its digits is 12096, while the sum is 33.

The square root of 1216762314 is about 34882.1202623923. The cubic root of 1216762314 is about 1067.5836567485.

The spelling of 1216762314 in words is "one billion, two hundred sixteen million, seven hundred sixty-two thousand, three hundred fourteen".