1216464364 has 6 divisors (see below), whose sum is σ = 2128812644. Its totient is φ = 608232180.

The previous prime is 1216464349. The next prime is 1216464401. The reversal of 1216464364 is 4634646121.

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 as a sum of consecutive naturals, namely, 152058042 + ... + 152058049.

Almost surely, 2^1216464364 is an apocalyptic number.

It is an amenable number.

1216464364 is a deficient number, since it is larger than the sum of its proper divisors (912348280).

1216464364 is a wasteful number, since it uses less digits than its factorization.

1216464364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304116095 (or 304116093 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 1216464364 is about 34877.8491882742. The cubic root of 1216464364 is about 1067.4965094852.

The spelling of 1216464364 in words is "one billion, two hundred sixteen million, four hundred sixty-four thousand, three hundred sixty-four".