1219740616 has 32 divisors (see below), whose sum is σ = 2473079040. Its totient is φ = 561779968.

The previous prime is 1219740593. The next prime is 1219740617. The reversal of 1219740616 is 6160479121.

It is not an unprimeable number, because it can be changed into a prime (1219740617) 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, 89020 + ... + 101803.

It is an arithmetic number, because the mean of its divisors is an integer number (77283720).

Almost surely, 2^1219740616 is an apocalyptic number.

It is an amenable number.

1219740616 is an abundant number, since it is smaller than the sum of its proper divisors (1253338424).

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

1219740616 is a wasteful number, since it uses less digits than its factorization.

1219740616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190893 (or 190889 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1219740616 is about 34924.7851246074. The cubic root of 1219740616 is about 1068.4539981379.

The spelling of 1219740616 in words is "one billion, two hundred nineteen million, seven hundred forty thousand, six hundred sixteen".