1156213416 has 64 divisors (see below), whose sum is σ = 2938723200. Its totient is φ = 379008000.

The previous prime is 1156213397. The next prime is 1156213423. The reversal of 1156213416 is 6143126511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023540 + ... + 1024668.

It is an arithmetic number, because the mean of its divisors is an integer number (45917550).

Almost surely, 2^1156213416 is an apocalyptic number.

It is an amenable number.

1156213416 is an abundant number, since it is smaller than the sum of its proper divisors (1782509784).

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

1156213416 is a wasteful number, since it uses less digits than its factorization.

1156213416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1806 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1156213416 is about 34003.1383257487. The cubic root of 1156213416 is about 1049.5730436459.

Adding to 1156213416 its reverse (6143126511), we get a palindrome (7299339927).

The spelling of 1156213416 in words is "one billion, one hundred fifty-six million, two hundred thirteen thousand, four hundred sixteen".